72107359009 has 16 divisors (see below), whose sum is σ = 85422735360. Its totient is φ = 59562251280.

The previous prime is 72107359007. The next prime is 72107359057. The reversal of 72107359009 is 90095370127.

It is not a de Polignac number, because 72107359009 - 2¹ = 72107359007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72107359003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643309 + ... + 747034.

It is an arithmetic number, because the mean of its divisors is an integer number (5338920960).

Almost surely, 2^72107359009 is an apocalyptic number.

It is an amenable number.

72107359009 is a deficient number, since it is larger than the sum of its proper divisors (13315376351).

72107359009 is a wasteful number, since it uses less digits than its factorization.

72107359009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390620.

The product of its (nonzero) digits is 119070, while the sum is 43.

The spelling of 72107359009 in words is "seventy-two billion, one hundred seven million, three hundred fifty-nine thousand, nine".