72983975926 has 4 divisors (see below), whose sum is σ = 109475963892. Its totient is φ = 36491987962.

The previous prime is 72983975903. The next prime is 72983975927. The reversal of 72983975926 is 62957938927.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72983975927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18245993980 + ... + 18245993983.

It is an arithmetic number, because the mean of its divisors is an integer number (27368990973).

Almost surely, 2^72983975926 is an apocalyptic number.

72983975926 is a deficient number, since it is larger than the sum of its proper divisors (36491987966).

72983975926 is a wasteful number, since it uses less digits than its factorization.

72983975926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36491987965.

The product of its digits is 102876480, while the sum is 67.

The spelling of 72983975926 in words is "seventy-two billion, nine hundred eighty-three million, nine hundred seventy-five thousand, nine hundred twenty-six".