74452864685 has 16 divisors (see below), whose sum is σ = 89690681856. Its totient is φ = 59330916288.

The previous prime is 74452864621. The next prime is 74452864747. The reversal of 74452864685 is 58646825447.

It is a cyclic number.

It is not a de Polignac number, because 74452864685 - 2⁶ = 74452864621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8814074 + ... + 8822516.

It is an arithmetic number, because the mean of its divisors is an integer number (5605667616).

Almost surely, 2^74452864685 is an apocalyptic number.

It is an amenable number.

74452864685 is a deficient number, since it is larger than the sum of its proper divisors (15237817171).

74452864685 is a wasteful number, since it uses less digits than its factorization.

74452864685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15092.

The product of its digits is 51609600, while the sum is 59.

The spelling of 74452864685 in words is "seventy-four billion, four hundred fifty-two million, eight hundred sixty-four thousand, six hundred eighty-five".