Search a number
-
+
74914477 = 1113749711
BaseRepresentation
bin1000111011100…
…01101010101101
312012222001100021
410131301222231
5123134230402
611233402141
71566522361
oct435615255
9165861307
1074914477
11393183a0
1221109351
131269c6c1
149d412a1
15689bd37
hex4771aad

74914477 has 8 divisors (see below), whose sum is σ = 82323072. Its totient is φ = 67605600.

The previous prime is 74914429. The next prime is 74914481. The reversal of 74914477 is 77441947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74914477 - 219 = 74390189 is a prime.

It is a super-3 number, since 3×749144773 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74914487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23349 + ... + 26362.

It is an arithmetic number, because the mean of its divisors is an integer number (10290384).

Almost surely, 274914477 is an apocalyptic number.

It is an amenable number.

74914477 is a deficient number, since it is larger than the sum of its proper divisors (7408595).

74914477 is a wasteful number, since it uses less digits than its factorization.

74914477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49859.

The product of its digits is 197568, while the sum is 43.

The square root of 74914477 is about 8655.3149567188. The cubic root of 74914477 is about 421.5559763685. Note that the first 3 decimals are identical.

The spelling of 74914477 in words is "seventy-four million, nine hundred fourteen thousand, four hundred seventy-seven".

Divisors: 1 11 137 1507 49711 546821 6810407 74914477