72624558 has 8 divisors (see below), whose sum is σ = 145249128. Its totient is φ = 24208184.

The previous prime is 72624553. The next prime is 72624577. The reversal of 72624558 is 85542627.

It is a sphenic number, since it is the product of 3 distinct primes.

72624558 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72624553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6052041 + ... + 6052052.

It is an arithmetic number, because the mean of its divisors is an integer number (18156141).

Almost surely, 2^72624558 is an apocalyptic number.

72624558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72624558 is a wasteful number, since it uses less digits than its factorization.

72624558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12104098.

The product of its digits is 134400, while the sum is 39.

The square root of 72624558 is about 8522.0043417027. The cubic root of 72624558 is about 417.2162040400.

The spelling of 72624558 in words is "seventy-two million, six hundred twenty-four thousand, five hundred fifty-eight".