72606424 has 16 divisors (see below), whose sum is σ = 148513320. Its totient is φ = 33002880.

The previous prime is 72606419. The next prime is 72606431. The reversal of 72606424 is 42460627.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 412449 + ... + 412624.

Almost surely, 2^72606424 is an apocalyptic number.

It is an amenable number.

72606424 is an abundant number, since it is smaller than the sum of its proper divisors (75906896).

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

72606424 is a wasteful number, since it uses less digits than its factorization.

72606424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825090 (or 825086 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 72606424 is about 8520.9403236967. The cubic root of 72606424 is about 417.1814755282.

The spelling of 72606424 in words is "seventy-two million, six hundred six thousand, four hundred twenty-four".