72495440629 has 2 divisors, whose sum is σ = 72495440630. Its totient is φ = 72495440628.

The previous prime is 72495440573. The next prime is 72495440653. The reversal of 72495440629 is 92604459427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64948522500 + 7546918129 = 254850^2 + 86873^2 .

It is a cyclic number.

It is not a de Polignac number, because 72495440629 - 2²⁵ = 72461886197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72498440629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36247720314 + 36247720315.

It is an arithmetic number, because the mean of its divisors is an integer number (36247720315).

Almost surely, 2^72495440629 is an apocalyptic number.

It is an amenable number.

72495440629 is a deficient number, since it is larger than the sum of its proper divisors (1).

72495440629 is an equidigital number, since it uses as much as digits as its factorization.

72495440629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 72495440629 in words is "seventy-two billion, four hundred ninety-five million, four hundred forty thousand, six hundred twenty-nine".