74474958 has 32 divisors (see below), whose sum is σ = 159068160. Its totient is φ = 23194080.

The previous prime is 74474947. The next prime is 74474971. The reversal of 74474958 is 85947447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1510 + ... + 12297.

It is an arithmetic number, because the mean of its divisors is an integer number (4970880).

Almost surely, 2^74474958 is an apocalyptic number.

74474958 is an abundant number, since it is smaller than the sum of its proper divisors (84593202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74474958 is a wasteful number, since it uses less digits than its factorization.

74474958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13872.

The product of its digits is 1128960, while the sum is 48.

The square root of 74474958 is about 8629.8874847822. The cubic root of 74474958 is about 420.7299438028.

Subtracting from 74474958 its sum of digits (48), we obtain a triangular number (74474910 = T₁₂₂₀₄).

The spelling of 74474958 in words is "seventy-four million, four hundred seventy-four thousand, nine hundred fifty-eight".