74418864 has 80 divisors (see below), whose sum is σ = 208320000. Its totient is φ = 22756608.

The previous prime is 74418859. The next prime is 74418871. The reversal of 74418864 is 46881447.

It is a happy 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, 148887 + ... + 149385.

It is an arithmetic number, because the mean of its divisors is an integer number (2604000).

Almost surely, 2^74418864 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 74418864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104160000).

74418864 is an abundant number, since it is smaller than the sum of its proper divisors (133901136).

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

74418864 is a wasteful number, since it uses less digits than its factorization.

74418864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 756 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 74418864 is about 8626.6368881506. The cubic root of 74418864 is about 420.6242870210.

The spelling of 74418864 in words is "seventy-four million, four hundred eighteen thousand, eight hundred sixty-four".