72837036993 has 8 divisors (see below), whose sum is σ = 110989770688. Its totient is φ = 41621163984.

The previous prime is 72837036953. The next prime is 72837037027. The reversal of 72837036993 is 39963073827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72837036993 - 2⁸ = 72837036737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72837036953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1734215146 + ... + 1734215187.

It is an arithmetic number, because the mean of its divisors is an integer number (13873721336).

Almost surely, 2^72837036993 is an apocalyptic number.

It is an amenable number.

72837036993 is a deficient number, since it is larger than the sum of its proper divisors (38152733695).

72837036993 is a wasteful number, since it uses less digits than its factorization.

72837036993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468430343.

The product of its (nonzero) digits is 10287648, while the sum is 57.

The spelling of 72837036993 in words is "seventy-two billion, eight hundred thirty-seven million, thirty-six thousand, nine hundred ninety-three".