74734560488 has 64 divisors (see below), whose sum is σ = 163511136000. Its totient is φ = 32010014400.

The previous prime is 74734560479. The next prime is 74734560493. The reversal of 74734560488 is 88406543747.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5209181 + ... + 5223507.

It is an arithmetic number, because the mean of its divisors is an integer number (2554861500).

Almost surely, 2^74734560488 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 74734560488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81755568000).

74734560488 is an abundant number, since it is smaller than the sum of its proper divisors (88776575512).

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

74734560488 is a wasteful number, since it uses less digits than its factorization.

74734560488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255 (or 16237 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 74734560488 in words is "seventy-four billion, seven hundred thirty-four million, five hundred sixty thousand, four hundred eighty-eight".