72275344 has 20 divisors (see below), whose sum is σ = 140182000. Its totient is φ = 36099360.

The previous prime is 72275327. The next prime is 72275363. The reversal of 72275344 is 44357227.

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, 18907 + ... + 22405.

It is an arithmetic number, because the mean of its divisors is an integer number (7009100).

Almost surely, 2^72275344 is an apocalyptic number.

It is an amenable number.

72275344 is a deficient number, since it is larger than the sum of its proper divisors (67906656).

72275344 is a wasteful number, since it uses less digits than its factorization.

72275344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798 (or 4792 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 72275344 is about 8501.4906928138. The cubic root of 72275344 is about 416.5464035494.

The spelling of 72275344 in words is "seventy-two million, two hundred seventy-five thousand, three hundred forty-four".