72018696 has 16 divisors (see below), whose sum is σ = 180046800. Its totient is φ = 24006224.

The previous prime is 72018671. The next prime is 72018767. The reversal of 72018696 is 69681027.

It is an unprimeable number.

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, 1500366 + ... + 1500413.

It is an arithmetic number, because the mean of its divisors is an integer number (11252925).

Almost surely, 2^72018696 is an apocalyptic number.

It is an amenable number.

72018696 is an abundant number, since it is smaller than the sum of its proper divisors (108028104).

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

72018696 is a wasteful number, since it uses less digits than its factorization.

72018696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000788 (or 3000784 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 72018696 is about 8486.3829750960. The cubic root of 72018696 is about 416.0527700563.

The spelling of 72018696 in words is "seventy-two million, eighteen thousand, six hundred ninety-six".