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74714772 = 223114712043
BaseRepresentation
bin1000111010000…
…00111010010100
312012120220101210
410131000322110
5123111333042
611225221420
71565031216
oct435007224
9165526353
1074714772
11391a1350
1221031870
131262c832
149ccc5b6
15685ca9c
hex4740e94

74714772 has 48 divisors (see below), whose sum is σ = 194245632. Its totient is φ = 22157280.

The previous prime is 74714753. The next prime is 74714777. The reversal of 74714772 is 27741747.

It is a self number, because there is not a number n which added to its sum of digits gives 74714772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74714777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183 + ... + 12225.

It is an arithmetic number, because the mean of its divisors is an integer number (4046784).

Almost surely, 274714772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74714772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97122816).

74714772 is an abundant number, since it is smaller than the sum of its proper divisors (119530860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74714772 is a wasteful number, since it uses less digits than its factorization.

74714772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12108 (or 12106 counting only the distinct ones).

The product of its digits is 76832, while the sum is 39.

The square root of 74714772 is about 8643.7707049644. The cubic root of 74714772 is about 421.1810521514.

The spelling of 74714772 in words is "seventy-four million, seven hundred fourteen thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 47 66 94 132 141 188 282 517 564 1034 1551 2068 3102 6204 12043 24086 36129 48172 72258 132473 144516 264946 397419 529892 566021 794838 1132042 1589676 1698063 2264084 3396126 6226231 6792252 12452462 18678693 24904924 37357386 74714772