72467272265 has 4 divisors (see below), whose sum is σ = 86960726724. Its totient is φ = 57973817808.

The previous prime is 72467272249. The next prime is 72467272309. The reversal of 72467272265 is 56227276427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43531901449 + 28935370816 = 208643^2 + 170104^2 .

It is a cyclic number.

It is not a de Polignac number, because 72467272265 - 2⁴ = 72467272249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7246727222 + ... + 7246727231.

It is an arithmetic number, because the mean of its divisors is an integer number (21740181681).

Almost surely, 2^72467272265 is an apocalyptic number.

It is an amenable number.

72467272265 is a deficient number, since it is larger than the sum of its proper divisors (14493454459).

72467272265 is a wasteful number, since it uses less digits than its factorization.

72467272265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14493454458.

The product of its digits is 3951360, while the sum is 50.

The spelling of 72467272265 in words is "seventy-two billion, four hundred sixty-seven million, two hundred seventy-two thousand, two hundred sixty-five".