74244375660 has 576 divisors, whose sum is σ = 270993752064. Its totient is φ = 15037747200.

The previous prime is 74244375577. The next prime is 74244375677. The reversal of 74244375660 is 6657344247.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 264214720 + ... + 264215000.

It is an arithmetic number, because the mean of its divisors is an integer number (470475264).

Almost surely, 2^74244375660 is an apocalyptic number.

74244375660 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 74244375660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135496876032).

74244375660 is an abundant number, since it is smaller than the sum of its proper divisors (196749376404).

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

74244375660 is a wasteful number, since it uses less digits than its factorization.

74244375660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 74244375660 in words is "seventy-four billion, two hundred forty-four million, three hundred seventy-five thousand, six hundred sixty".