74231677772 has 24 divisors (see below), whose sum is σ = 148946966784. Its totient is φ = 31709945232.

The previous prime is 74231677747. The next prime is 74231677853. The reversal of 74231677772 is 27777613247.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4309208 + ... + 4326399.

It is an arithmetic number, because the mean of its divisors is an integer number (6206123616).

Almost surely, 2^74231677772 is an apocalyptic number.

It is an amenable number.

74231677772 is an abundant number, since it is smaller than the sum of its proper divisors (74715289012).

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

74231677772 is a wasteful number, since it uses less digits than its factorization.

74231677772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635925 (or 8635923 counting only the distinct ones).

The product of its digits is 4840416, while the sum is 53.

The spelling of 74231677772 in words is "seventy-four billion, two hundred thirty-one million, six hundred seventy-seven thousand, seven hundred seventy-two".