72950975983 has 2 divisors, whose sum is σ = 72950975984. Its totient is φ = 72950975982.

The previous prime is 72950975947. The next prime is 72950976017. The reversal of 72950975983 is 38957905927.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72950975983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72950945983) 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, 36475487991 + 36475487992.

It is an arithmetic number, because the mean of its divisors is an integer number (36475487992).

Almost surely, 2^72950975983 is an apocalyptic number.

72950975983 is a deficient number, since it is larger than the sum of its proper divisors (1).

72950975983 is an equidigital number, since it uses as much as digits as its factorization.

72950975983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42865200, while the sum is 64.

The spelling of 72950975983 in words is "seventy-two billion, nine hundred fifty million, nine hundred seventy-five thousand, nine hundred eighty-three".