72727199999999 has 64 divisors (see below), whose sum is σ = 80880998999040. Its totient is φ = 65085467166720.

The previous prime is 72727199999969. The next prime is 72727200000031. The reversal of 72727199999999 is 99999999172727.

It is a cyclic number.

It is not a de Polignac number, because 72727199999999 - 2⁸ = 72727199999743 is a prime.

72727199999999 is a modest number, since divided by 9999999 gives 7272719 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72727199999969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20585110037 + ... + 20585113569.

It is an arithmetic number, because the mean of its divisors is an integer number (1263765609360).

Almost surely, 2^{72727199999999} is an apocalyptic number.

72727199999999 is a deficient number, since it is larger than the sum of its proper divisors (8153798999041).

72727199999999 is a wasteful number, since it uses less digits than its factorization.

72727199999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072.

The product of its digits is 59060101212, while the sum is 98.

The spelling of 72727199999999 in words is "seventy-two trillion, seven hundred twenty-seven billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".