72075030 has 16 divisors (see below), whose sum is σ = 172980144. Its totient is φ = 19220000.

The previous prime is 72075013. The next prime is 72075041. The reversal of 72075030 is 3057027.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 1201221 + ... + 1201280.

It is an arithmetic number, because the mean of its divisors is an integer number (10811259).

Almost surely, 2^72075030 is an apocalyptic number.

72075030 is an abundant number, since it is smaller than the sum of its proper divisors (100905114).

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

72075030 is a wasteful number, since it uses less digits than its factorization.

72075030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402511.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 72075030 is about 8489.7014081769. The cubic root of 72075030 is about 416.1612224885.

It can be divided in two parts, 720750 and 30, that multiplied together give a square (21622500 = 4650²).

The spelling of 72075030 in words is "seventy-two million, seventy-five thousand, thirty".