72873493926 has 16 divisors (see below), whose sum is σ = 145755111744. Its totient is φ = 24289810664.

The previous prime is 72873493919. The next prime is 72873493933. The reversal of 72873493926 is 62939437827.

It is an interprime number because it is at equal distance from previous prime (72873493919) and next prime (72873493933).

It is a super-2 number, since 2×72873493926² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 72873493926.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 218616 + ... + 439931.

It is an arithmetic number, because the mean of its divisors is an integer number (9109694484).

Almost surely, 2^72873493926 is an apocalyptic number.

72873493926 is an abundant number, since it is smaller than the sum of its proper divisors (72881617818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72873493926 is a wasteful number, since it uses less digits than its factorization.

72873493926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676995.

The product of its digits is 27433728, while the sum is 60.

The spelling of 72873493926 in words is "seventy-two billion, eight hundred seventy-three million, four hundred ninety-three thousand, nine hundred twenty-six".