74589878768 has 40 divisors (see below), whose sum is σ = 144854166240. Its totient is φ = 37208272640.

The previous prime is 74589878743. The next prime is 74589878801. The reversal of 74589878768 is 86787898547.

It is a congruent number.

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, 14240246 + ... + 14245482.

It is an arithmetic number, because the mean of its divisors is an integer number (3621354156).

Almost surely, 2^74589878768 is an apocalyptic number.

It is an amenable number.

74589878768 is a deficient number, since it is larger than the sum of its proper divisors (70264287472).

74589878768 is a wasteful number, since it uses less digits than its factorization.

74589878768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145 (or 7139 counting only the distinct ones).

The product of its digits is 1517322240, while the sum is 77.

The spelling of 74589878768 in words is "seventy-four billion, five hundred eighty-nine million, eight hundred seventy-eight thousand, seven hundred sixty-eight".