72240587307 has 48 divisors (see below), whose sum is σ = 121093969152. Its totient is φ = 40644141120.

The previous prime is 72240587299. The next prime is 72240587339. The reversal of 72240587307 is 70378504227.

72240587307 is a `hidden beast` number, since 7 + 22 + 40 + 587 + 3 + 0 + 7 = 666.

It is not a de Polignac number, because 72240587307 - 2³ = 72240587299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72240587347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14226453 + ... + 14231529.

It is an arithmetic number, because the mean of its divisors is an integer number (2522791024).

Almost surely, 2^72240587307 is an apocalyptic number.

72240587307 is a deficient number, since it is larger than the sum of its proper divisors (48853381845).

72240587307 is a wasteful number, since it uses less digits than its factorization.

72240587307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528 (or 8525 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 72240587307 in words is "seventy-two billion, two hundred forty million, five hundred eighty-seven thousand, three hundred seven".