72458860 has 24 divisors (see below), whose sum is σ = 153177696. Its totient is φ = 28790400.

The previous prime is 72458857. The next prime is 72458861. The reversal of 72458860 is 6885427.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72458861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8977 + ... + 15016.

It is an arithmetic number, because the mean of its divisors is an integer number (6382404).

Almost surely, 2^72458860 is an apocalyptic number.

It is an amenable number.

72458860 is an abundant number, since it is smaller than the sum of its proper divisors (80718836).

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

72458860 is a wasteful number, since it uses less digits than its factorization.

72458860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24153 (or 24151 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 72458860 is about 8512.2770161691. The cubic root of 72458860 is about 416.8986597839.

The spelling of 72458860 in words is "seventy-two million, four hundred fifty-eight thousand, eight hundred sixty".