72302124 has 24 divisors (see below), whose sum is σ = 168997360. Its totient is φ = 24058944.

The previous prime is 72302093. The next prime is 72302159. The reversal of 72302124 is 42120327.

It is a super-2 number, since 2×72302124² = 10455194269822752, 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 72302124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2442 + ... + 12270.

Almost surely, 2^72302124 is an apocalyptic number.

It is an amenable number.

72302124 is an abundant number, since it is smaller than the sum of its proper divisors (96695236).

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

72302124 is a wasteful number, since it uses less digits than its factorization.

72302124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10449 (or 10447 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 72302124 is about 8503.0655648419. The cubic root of 72302124 is about 416.5978444908.

The spelling of 72302124 in words is "seventy-two million, three hundred two thousand, one hundred twenty-four".