72075752 has 16 divisors (see below), whose sum is σ = 154448160. Its totient is φ = 30889584.

The previous prime is 72075739. The next prime is 72075761. The reversal of 72075752 is 25757027.

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, 643478 + ... + 643589.

It is an arithmetic number, because the mean of its divisors is an integer number (9653010).

Almost surely, 2^72075752 is an apocalyptic number.

It is an amenable number.

72075752 is an abundant number, since it is smaller than the sum of its proper divisors (82372408).

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

72075752 is a wasteful number, since it uses less digits than its factorization.

72075752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287080 (or 1287076 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 72075752 is about 8489.7439301783. The cubic root of 72075752 is about 416.1626120932.

It can be divided in two parts, 72075 and 752, that added together give a palindrome (72827).

The spelling of 72075752 in words is "seventy-two million, seventy-five thousand, seven hundred fifty-two".