74759890 has 16 divisors (see below), whose sum is σ = 140419008. Its totient is φ = 28603696.

The previous prime is 74759819. The next prime is 74759921. The reversal of 74759890 is 9895747.

It is a happy number.

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, 162292 + ... + 162751.

It is an arithmetic number, because the mean of its divisors is an integer number (8776188).

Almost surely, 2^74759890 is an apocalyptic number.

74759890 is a deficient number, since it is larger than the sum of its proper divisors (65659118).

74759890 is a wasteful number, since it uses less digits than its factorization.

74759890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325073.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 74759890 is about 8646.3801674458. The cubic root of 74759890 is about 421.2658146082.

The spelling of 74759890 in words is "seventy-four million, seven hundred fifty-nine thousand, eight hundred ninety".