74680688747 has 32 divisors (see below), whose sum is σ = 92145600000. Its totient is φ = 59064565248.

The previous prime is 74680688737. The next prime is 74680688779. The reversal of 74680688747 is 74788608647.

It is a cyclic number.

It is not a de Polignac number, because 74680688747 - 2⁸ = 74680688491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74680688717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9955004 + ... + 9962502.

It is an arithmetic number, because the mean of its divisors is an integer number (2879550000).

Almost surely, 2^74680688747 is an apocalyptic number.

74680688747 is a deficient number, since it is larger than the sum of its proper divisors (17464911253).

74680688747 is a wasteful number, since it uses less digits than its factorization.

74680688747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155.

The product of its (nonzero) digits is 101154816, while the sum is 65.

The spelling of 74680688747 in words is "seventy-four billion, six hundred eighty million, six hundred eighty-eight thousand, seven hundred forty-seven".