74628864 has 180 divisors, whose sum is σ = 230011320. Its totient is φ = 24053760.

The previous prime is 74628847. The next prime is 74628871. The reversal of 74628864 is 46882647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1223394 + ... + 1223454.

Almost surely, 2^74628864 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 74628864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115005660).

74628864 is an abundant number, since it is smaller than the sum of its proper divisors (155382456).

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

74628864 is an equidigital number, since it uses as much as digits as its factorization.

74628864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 125 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 74628864 is about 8638.7999166551. The cubic root of 74628864 is about 421.0195637890.

The spelling of 74628864 in words is "seventy-four million, six hundred twenty-eight thousand, eight hundred sixty-four".