72107215707 has 8 divisors (see below), whose sum is σ = 96145104384. Its totient is φ = 48070402088.

The previous prime is 72107215669. The next prime is 72107215711. The reversal of 72107215707 is 70751270127.

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

It is a cyclic number.

It is not a de Polignac number, because 72107215707 - 2²⁷ = 71972997979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72107215307) 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, 96483 + ... + 391820.

It is an arithmetic number, because the mean of its divisors is an integer number (12018138048).

Almost surely, 2^72107215707 is an apocalyptic number.

72107215707 is a deficient number, since it is larger than the sum of its proper divisors (24037888677).

72107215707 is a wasteful number, since it uses less digits than its factorization.

72107215707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537529.

The product of its (nonzero) digits is 48020, while the sum is 39.

The spelling of 72107215707 in words is "seventy-two billion, one hundred seven million, two hundred fifteen thousand, seven hundred seven".