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74713420 = 2253735671
BaseRepresentation
bin1000111010000…
…00100101001100
312012120211112201
410131000211030
5123111312140
611225211244
71565024245
oct435004514
9165524481
1074713420
11391a0331
1221030b24
131262c032
149ccbccc
15685c49a
hex474094c

74713420 has 12 divisors (see below), whose sum is σ = 156898224. Its totient is φ = 29885360.

The previous prime is 74713393. The next prime is 74713421. The reversal of 74713420 is 2431747.

It is not an unprimeable number, because it can be changed into a prime (74713421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867816 + ... + 1867855.

It is an arithmetic number, because the mean of its divisors is an integer number (13074852).

Almost surely, 274713420 is an apocalyptic number.

It is an amenable number.

74713420 is an abundant number, since it is smaller than the sum of its proper divisors (82184804).

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

74713420 is a wasteful number, since it uses less digits than its factorization.

74713420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735680 (or 3735678 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 74713420 is about 8643.6924980011. The cubic root of 74713420 is about 421.1785116443.

The spelling of 74713420 in words is "seventy-four million, seven hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3735671 7471342 14942684 18678355 37356710 74713420