74956690 has 16 divisors (see below), whose sum is σ = 136439640. Its totient is φ = 29645440.

The previous prime is 74956669. The next prime is 74956741. The reversal of 74956690 is 9665947.

It can be written as a sum of positive squares in 4 ways, for example, as 69438889 + 5517801 = 8333^2 + 2349^2 .

It is a super-2 number, since 2×74956690² = 11237010751512200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74956690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41221 + ... + 43000.

Almost surely, 2^74956690 is an apocalyptic number.

74956690 is a deficient number, since it is larger than the sum of its proper divisors (61482950).

74956690 is a wasteful number, since it uses less digits than its factorization.

74956690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84317.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 74956690 is about 8657.7531727348. The cubic root of 74956690 is about 421.6351413121.

The spelling of 74956690 in words is "seventy-four million, nine hundred fifty-six thousand, six hundred ninety".