72254756 has 12 divisors (see below), whose sum is σ = 144509568. Its totient is φ = 30966312.

The previous prime is 72254717. The next prime is 72254773. The reversal of 72254756 is 65745227.

It is a happy number.

72254756 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290236 + ... + 1290291.

It is an arithmetic number, because the mean of its divisors is an integer number (12042464).

Almost surely, 2^72254756 is an apocalyptic number.

It is an amenable number.

72254756 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.

72254756 is a wasteful number, since it uses less digits than its factorization.

72254756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580538 (or 2580536 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 72254756 is about 8500.2797601020. The cubic root of 72254756 is about 416.5068480048.

The spelling of 72254756 in words is "seventy-two million, two hundred fifty-four thousand, seven hundred fifty-six".