74570377136 has 20 divisors (see below), whose sum is σ = 145055731464. Its totient is φ = 37136640000.

The previous prime is 74570377117. The next prime is 74570377159. The reversal of 74570377136 is 63177307547.

It is a super-2 number, since 2×74570377136² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 9280145 + ... + 9288176.

Almost surely, 2^74570377136 is an apocalyptic number.

It is an amenable number.

74570377136 is a deficient number, since it is larger than the sum of its proper divisors (70485354328).

74570377136 is a wasteful number, since it uses less digits than its factorization.

74570377136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18568580 (or 18568574 counting only the distinct ones).

The product of its (nonzero) digits is 2593080, while the sum is 50.

The spelling of 74570377136 in words is "seventy-four billion, five hundred seventy million, three hundred seventy-seven thousand, one hundred thirty-six".