72426612 has 48 divisors (see below), whose sum is σ = 174836480. Its totient is φ = 23317632.

The previous prime is 72426589. The next prime is 72426617. The reversal of 72426612 is 21662427.

It is a super-2 number, since 2×72426612² = 10491228251597088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72426612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72426617) 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, 69189 + ... + 70227.

Almost surely, 2^72426612 is an apocalyptic number.

It is an amenable number.

72426612 is an abundant number, since it is smaller than the sum of its proper divisors (102409868).

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

72426612 is a wasteful number, since it uses less digits than its factorization.

72426612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1238 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 72426612 is about 8510.3826000950. The cubic root of 72426612 is about 416.8368033368.

The spelling of 72426612 in words is "seventy-two million, four hundred twenty-six thousand, six hundred twelve".