72528042 has 8 divisors (see below), whose sum is σ = 145056096. Its totient is φ = 24176012.

The previous prime is 72528041. The next prime is 72528059. The reversal of 72528042 is 24082527.

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

72528042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72528041) 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 3 ways as a sum of consecutive naturals, for example, 6043998 + ... + 6044009.

It is an arithmetic number, because the mean of its divisors is an integer number (18132012).

Almost surely, 2^72528042 is an apocalyptic number.

72528042 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.

72528042 is a wasteful number, since it uses less digits than its factorization.

72528042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088012.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 72528042 is about 8516.3397067050. The cubic root of 72528042 is about 417.0312992281.

The spelling of 72528042 in words is "seventy-two million, five hundred twenty-eight thousand, forty-two".