72072368 has 20 divisors (see below), whose sum is σ = 142276608. Its totient is φ = 35355840.

The previous prime is 72072359. The next prime is 72072379. The reversal of 72072368 is 86327027.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41648 + ... + 43343.

Almost surely, 2^72072368 is an apocalyptic number.

It is an amenable number.

72072368 is a deficient number, since it is larger than the sum of its proper divisors (70204240).

72072368 is a wasteful number, since it uses less digits than its factorization.

72072368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85052 (or 85046 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 72072368 is about 8489.5446285416. The cubic root of 72072368 is about 416.1560989628.

The spelling of 72072368 in words is "seventy-two million, seventy-two thousand, three hundred sixty-eight".