72183075878 has 16 divisors (see below), whose sum is σ = 112136017680. Its totient is φ = 34807243296.

The previous prime is 72183075793. The next prime is 72183075901. The reversal of 72183075878 is 87857038127.

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, 658676 + ... + 760407.

It is an arithmetic number, because the mean of its divisors is an integer number (7008501105).

Almost surely, 2^72183075878 is an apocalyptic number.

72183075878 is a deficient number, since it is larger than the sum of its proper divisors (39952941802).

72183075878 is a wasteful number, since it uses less digits than its factorization.

72183075878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419991.

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 72183075878 in words is "seventy-two billion, one hundred eighty-three million, seventy-five thousand, eight hundred seventy-eight".