74504664 has 128 divisors (see below), whose sum is σ = 225624000. Its totient is φ = 22778496.

The previous prime is 74504657. The next prime is 74504671. The reversal of 74504664 is 46640547.

It is an interprime number because it is at equal distance from previous prime (74504657) and next prime (74504671).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 474474 + ... + 474630.

Almost surely, 2^74504664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74504664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112812000).

74504664 is an abundant number, since it is smaller than the sum of its proper divisors (151119336).

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

74504664 is a wasteful number, since it uses less digits than its factorization.

74504664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 74504664 is about 8631.6084248534. The cubic root of 74504664 is about 420.7858755445.

The spelling of 74504664 in words is "seventy-four million, five hundred four thousand, six hundred sixty-four".