72267496 has 16 divisors (see below), whose sum is σ = 154859040. Its totient is φ = 30971760.

The previous prime is 72267487. The next prime is 72267497. The reversal of 72267496 is 69476227.

It is a super-2 number, since 2×72267496² = 10445181956220032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72267497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645190 + ... + 645301.

It is an arithmetic number, because the mean of its divisors is an integer number (9678690).

Almost surely, 2^72267496 is an apocalyptic number.

It is an amenable number.

72267496 is an abundant number, since it is smaller than the sum of its proper divisors (82591544).

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

72267496 is a wasteful number, since it uses less digits than its factorization.

72267496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290504 (or 1290500 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 72267496 is about 8501.0291141720. The cubic root of 72267496 is about 416.5313261416.

The spelling of 72267496 in words is "seventy-two million, two hundred sixty-seven thousand, four hundred ninety-six".