74900889 has 16 divisors (see below), whose sum is σ = 126816640. Its totient is φ = 42800400.

The previous prime is 74900873. The next prime is 74900911. The reversal of 74900889 is 98800947.

It is not a de Polignac number, because 74900889 - 2⁴ = 74900873 is a prime.

It is a super-2 number, since 2×74900889² = 11220286345980642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74900849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197962 + ... + 198339.

It is an arithmetic number, because the mean of its divisors is an integer number (7926040).

Almost surely, 2^74900889 is an apocalyptic number.

It is an amenable number.

74900889 is a deficient number, since it is larger than the sum of its proper divisors (51915751).

74900889 is a wasteful number, since it uses less digits than its factorization.

74900889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396317 (or 396311 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 74900889 is about 8654.5299699059. The cubic root of 74900889 is about 421.5304875302.

The spelling of 74900889 in words is "seventy-four million, nine hundred thousand, eight hundred eighty-nine".