74404974 has 64 divisors (see below), whose sum is σ = 174767616. Its totient is φ = 20680704.

The previous prime is 74404973. The next prime is 74405021. The reversal of 74404974 is 47940447.

It is a super-2 number, since 2×74404974² = 11072200311881352, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74404973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385422 + ... + 385614.

It is an arithmetic number, because the mean of its divisors is an integer number (2730744).

Almost surely, 2^74404974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74404974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87383808).

74404974 is an abundant number, since it is smaller than the sum of its proper divisors (100362642).

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

74404974 is a wasteful number, since it uses less digits than its factorization.

74404974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 74404974 is about 8625.8317859787. The cubic root of 74404974 is about 420.5981160810.

The spelling of 74404974 in words is "seventy-four million, four hundred four thousand, nine hundred seventy-four".