74861315604 has 108 divisors (see below), whose sum is σ = 200544279936. Its totient is φ = 23532578496.

The previous prime is 74861315597. The next prime is 74861315707. The reversal of 74861315604 is 40651316847.

74861315604 is a `hidden beast` number, since 7 + 4 + 8 + 6 + 1 + 31 + 5 + 604 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 74861315604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1273117 + ... + 1330619.

Almost surely, 2^74861315604 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 74861315604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100272139968).

74861315604 is an abundant number, since it is smaller than the sum of its proper divisors (125682964332).

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

74861315604 is a wasteful number, since it uses less digits than its factorization.

74861315604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57614 (or 57580 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 74861315604 in words is "seventy-four billion, eight hundred sixty-one million, three hundred fifteen thousand, six hundred four".