72267098440 has 64 divisors (see below), whose sum is σ = 164279016000. Its totient is φ = 28609701120.

The previous prime is 72267098389. The next prime is 72267098441. The reversal of 72267098440 is 4489076227.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72267098441) 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, 1967766 + ... + 2004154.

It is an arithmetic number, because the mean of its divisors is an integer number (2566859625).

Almost surely, 2^72267098440 is an apocalyptic number.

It is an amenable number.

72267098440 is an abundant number, since it is smaller than the sum of its proper divisors (92011917560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72267098440 is a wasteful number, since it uses less digits than its factorization.

72267098440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36910 (or 36906 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 72267098440 in words is "seventy-two billion, two hundred sixty-seven million, ninety-eight thousand, four hundred forty".