74998560 has 384 divisors, whose sum is σ = 310915584. Its totient is φ = 14745600.

The previous prime is 74998541. The next prime is 74998589. The reversal of 74998560 is 6589947.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 742510 + ... + 742610.

It is an arithmetic number, because the mean of its divisors is an integer number (809676).

Almost surely, 2^74998560 is an apocalyptic number.

74998560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74998560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155457792).

74998560 is an abundant number, since it is smaller than the sum of its proper divisors (235917024).

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

74998560 is a wasteful number, since it uses less digits than its factorization.

74998560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 74998560 is about 8660.1708990066. The cubic root of 74998560 is about 421.7136336491.

The spelling of 74998560 in words is "seventy-four million, nine hundred ninety-eight thousand, five hundred sixty".