72299712849 has 32 divisors (see below), whose sum is σ = 118985798400. Its totient is φ = 38026789632.

The previous prime is 72299712833. The next prime is 72299712851. The reversal of 72299712849 is 94821799227.

It is not a de Polignac number, because 72299712849 - 2⁴ = 72299712833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72299712792 and 72299712801.

It is not an unprimeable number, because it can be changed into a prime (72299712829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284142 + ... + 474695.

It is an arithmetic number, because the mean of its divisors is an integer number (3718306200).

Almost surely, 2^72299712849 is an apocalyptic number.

It is an amenable number.

72299712849 is a deficient number, since it is larger than the sum of its proper divisors (46686085551).

72299712849 is a wasteful number, since it uses less digits than its factorization.

72299712849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759209.

The product of its digits is 9144576, while the sum is 60.

The spelling of 72299712849 in words is "seventy-two billion, two hundred ninety-nine million, seven hundred twelve thousand, eight hundred forty-nine".