72962224 has 30 divisors (see below), whose sum is σ = 145331844. Its totient is φ = 35484480.

The previous prime is 72962221. The next prime is 72962237. The reversal of 72962224 is 42226927.

It is a super-2 number, since 2×72962224² = 10646972262052352, 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 72962224.

It is not an unprimeable number, because it can be changed into a prime (72962221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20239 + ... + 23569.

Almost surely, 2^72962224 is an apocalyptic number.

72962224 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

72962224 is a deficient number, since it is larger than the sum of its proper divisors (72369620).

72962224 is a wasteful number, since it uses less digits than its factorization.

72962224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3370 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 72962224 is about 8541.7927860608. The cubic root of 72962224 is about 417.8618164608.

The spelling of 72962224 in words is "seventy-two million, nine hundred sixty-two thousand, two hundred twenty-four".