72054308 has 24 divisors (see below), whose sum is σ = 138505920. Its totient is φ = 32646240.

The previous prime is 72054287. The next prime is 72054349. The reversal of 72054308 is 80345027.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 18863 + ... + 22358.

It is an arithmetic number, because the mean of its divisors is an integer number (5771080).

Almost surely, 2^72054308 is an apocalyptic number.

It is an amenable number.

72054308 is a deficient number, since it is larger than the sum of its proper divisors (66451612).

72054308 is a wasteful number, since it uses less digits than its factorization.

72054308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41267 (or 41265 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 72054308 is about 8488.4809006088. The cubic root of 72054308 is about 416.1213357231.

The spelling of 72054308 in words is "seventy-two million, fifty-four thousand, three hundred eight".