72902216793 has 32 divisors (see below), whose sum is σ = 113100768000. Its totient is φ = 40910800896.

The previous prime is 72902216791. The next prime is 72902216819. The reversal of 72902216793 is 39761220927.

It is not a de Polignac number, because 72902216793 - 2¹ = 72902216791 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72902216791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117733 + ... + 399581.

It is an arithmetic number, because the mean of its divisors is an integer number (3534399000).

Almost surely, 2^72902216793 is an apocalyptic number.

It is an amenable number.

72902216793 is a deficient number, since it is larger than the sum of its proper divisors (40198551207).

72902216793 is a wasteful number, since it uses less digits than its factorization.

72902216793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282081.

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 72902216793 in words is "seventy-two billion, nine hundred two million, two hundred sixteen thousand, seven hundred ninety-three".