72496532071 has 2 divisors, whose sum is σ = 72496532072. Its totient is φ = 72496532070.

The previous prime is 72496532063. The next prime is 72496532077. The reversal of 72496532071 is 17023569427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72496532071 - 2³ = 72496532063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72496532077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36248266035 + 36248266036.

It is an arithmetic number, because the mean of its divisors is an integer number (36248266036).

Almost surely, 2^72496532071 is an apocalyptic number.

72496532071 is a deficient number, since it is larger than the sum of its proper divisors (1).

72496532071 is an equidigital number, since it uses as much as digits as its factorization.

72496532071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 72496532071 in words is "seventy-two billion, four hundred ninety-six million, five hundred thirty-two thousand, seventy-one".