72028790 has 16 divisors (see below), whose sum is σ = 131479200. Its totient is φ = 28405440.

The previous prime is 72028787. The next prime is 72028843. The reversal of 72028790 is 9782027.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72028790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50015 + ... + 51434.

It is an arithmetic number, because the mean of its divisors is an integer number (8217450).

Almost surely, 2^72028790 is an apocalyptic number.

72028790 is a deficient number, since it is larger than the sum of its proper divisors (59450410).

72028790 is a wasteful number, since it uses less digits than its factorization.

72028790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101527.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 72028790 is about 8486.9776717039. The cubic root of 72028790 is about 416.0722068632.

The spelling of 72028790 in words is "seventy-two million, twenty-eight thousand, seven hundred ninety".