74320299892 has 12 divisors (see below), whose sum is σ = 132192664996. Its totient is φ = 36550967040.

The previous prime is 74320299883. The next prime is 74320299913. The reversal of 74320299892 is 29899202347.

It can be written as a sum of positive squares in 2 ways, for example, as 20233355536 + 54086944356 = 142244^2 + 232566^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152295453 + ... + 152295940.

Almost surely, 2^74320299892 is an apocalyptic number.

It is an amenable number.

74320299892 is a deficient number, since it is larger than the sum of its proper divisors (57872365104).

74320299892 is a wasteful number, since it uses less digits than its factorization.

74320299892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304591458 (or 304591456 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 74320299892 in words is "seventy-four billion, three hundred twenty million, two hundred ninety-nine thousand, eight hundred ninety-two".