74424658560 has 256 divisors, whose sum is σ = 282907330560. Its totient is φ = 16271659008.

The previous prime is 74424658519. The next prime is 74424658577. The reversal of 74424658560 is 6585642447.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188739 + ... + 429501.

It is an arithmetic number, because the mean of its divisors is an integer number (1105106760).

Almost surely, 2^74424658560 is an apocalyptic number.

74424658560 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 74424658560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141453665280).

74424658560 is an abundant number, since it is smaller than the sum of its proper divisors (208482672000).

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

74424658560 is a wasteful number, since it uses less digits than its factorization.

74424658560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240815 (or 240803 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 51.

The spelling of 74424658560 in words is "seventy-four billion, four hundred twenty-four million, six hundred fifty-eight thousand, five hundred sixty".