72506952799739 has 2 divisors, whose sum is σ = 72506952799740. Its totient is φ = 72506952799738.

The previous prime is 72506952799727. The next prime is 72506952799789. The reversal of 72506952799739 is 93799725960527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72506952799739 - 2³⁶ = 72438233323003 is a prime.

It is not a weakly prime, because it can be changed into another prime (72506952799789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36253476399869 + 36253476399870.

It is an arithmetic number, because the mean of its divisors is an integer number (36253476399870).

Almost surely, 2^{72506952799739} is an apocalyptic number.

72506952799739 is a deficient number, since it is larger than the sum of its proper divisors (1).

72506952799739 is an equidigital number, since it uses as much as digits as its factorization.

72506952799739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050761400, while the sum is 80.

The spelling of 72506952799739 in words is "seventy-two trillion, five hundred six billion, nine hundred fifty-two million, seven hundred ninety-nine thousand, seven hundred thirty-nine".