72317794 has 16 divisors (see below), whose sum is σ = 110088000. Its totient is φ = 35625744.

The previous prime is 72317789. The next prime is 72317797. The reversal of 72317794 is 49771327.

It is not an unprimeable number, because it can be changed into a prime (72317797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42549 + ... + 44215.

It is an arithmetic number, because the mean of its divisors is an integer number (6880500).

Almost surely, 2^72317794 is an apocalyptic number.

72317794 is a deficient number, since it is larger than the sum of its proper divisors (37770206).

72317794 is a wasteful number, since it uses less digits than its factorization.

72317794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977.

The product of its digits is 74088, while the sum is 40.

The square root of 72317794 is about 8503.9869473089. The cubic root of 72317794 is about 416.6279386582.

The spelling of 72317794 in words is "seventy-two million, three hundred seventeen thousand, seven hundred ninety-four".