72498966 has 16 divisors (see below), whose sum is σ = 146141184. Its totient is φ = 23975784.

The previous prime is 72498961. The next prime is 72499019. The reversal of 72498966 is 66989427.

It is a happy number.

It is a super-2 number, since 2×72498966² = 10512200142138312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72498961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46810 + ... + 48333.

It is an arithmetic number, because the mean of its divisors is an integer number (9133824).

Almost surely, 2^72498966 is an apocalyptic number.

72498966 is an abundant number, since it is smaller than the sum of its proper divisors (73642218).

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

72498966 is a wasteful number, since it uses less digits than its factorization.

72498966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95275.

The product of its digits is 1306368, while the sum is 51.

The square root of 72498966 is about 8514.6324641760. The cubic root of 72498966 is about 416.9755634399.

The spelling of 72498966 in words is "seventy-two million, four hundred ninety-eight thousand, nine hundred sixty-six".