72368992 has 12 divisors (see below), whose sum is σ = 142476516. Its totient is φ = 36184480.

The previous prime is 72368969. The next prime is 72369001. The reversal of 72368992 is 29986327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130734 + ... + 1130797.

It is an arithmetic number, because the mean of its divisors is an integer number (11873043).

Almost surely, 2^72368992 is an apocalyptic number.

It is an amenable number.

72368992 is a deficient number, since it is larger than the sum of its proper divisors (70107524).

72368992 is a wasteful number, since it uses less digits than its factorization.

72368992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261541 (or 2261533 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 72368992 is about 8506.9966498171. The cubic root of 72368992 is about 416.7262339016.

The spelling of 72368992 in words is "seventy-two million, three hundred sixty-eight thousand, nine hundred ninety-two".