72801076 has 12 divisors (see below), whose sum is σ = 130509540. Its totient is φ = 35512640.

The previous prime is 72801067. The next prime is 72801137. The reversal of 72801076 is 67010827.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31069476 + 41731600 = 5574^2 + 6460^2 .

It is a congruent number.

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, 221791 + ... + 222118.

It is an arithmetic number, because the mean of its divisors is an integer number (10875795).

Almost surely, 2^72801076 is an apocalyptic number.

It is an amenable number.

72801076 is a deficient number, since it is larger than the sum of its proper divisors (57708464).

72801076 is a wasteful number, since it uses less digits than its factorization.

72801076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443954 (or 443952 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 72801076 is about 8532.3546574202. The cubic root of 72801076 is about 417.5539528922.

The spelling of 72801076 in words is "seventy-two million, eight hundred one thousand, seventy-six".