72048018 has 16 divisors (see below), whose sum is σ = 164681280. Its totient is φ = 20585136.

The previous prime is 72048001. The next prime is 72048043. The reversal of 72048018 is 81084027.

It is a super-3 number, since 3×72048018³ (a number of 25 digits) contains 333 as substring.

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, 857673 + ... + 857756.

It is an arithmetic number, because the mean of its divisors is an integer number (10292580).

Almost surely, 2^72048018 is an apocalyptic number.

72048018 is an abundant number, since it is smaller than the sum of its proper divisors (92633262).

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

72048018 is a wasteful number, since it uses less digits than its factorization.

72048018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715441.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 72048018 is about 8488.1103904226. The cubic root of 72048018 is about 416.1092268965.

The spelling of 72048018 in words is "seventy-two million, forty-eight thousand, eighteen".