74576690 has 16 divisors (see below), whose sum is σ = 138867480. Its totient is φ = 28801920.

The previous prime is 74576687. The next prime is 74576701. The reversal of 74576690 is 9667547.

It can be written as a sum of positive squares in 4 ways, for example, as 53333809 + 21242881 = 7303^2 + 4609^2 .

It is a super-2 number, since 2×74576690² = 11123365382712200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128291 + ... + 128870.

Almost surely, 2^74576690 is an apocalyptic number.

74576690 is a deficient number, since it is larger than the sum of its proper divisors (64290790).

74576690 is a wasteful number, since it uses less digits than its factorization.

74576690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257197.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 74576690 is about 8635.7796405420. The cubic root of 74576690 is about 420.9214275162.

The spelling of 74576690 in words is "seventy-four million, five hundred seventy-six thousand, six hundred ninety".