72294592 has 14 divisors (see below), whose sum is σ = 143459708. Its totient is φ = 36147264.

The previous prime is 72294583. The next prime is 72294617. The reversal of 72294592 is 29549227.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564738 + ... + 564865.

It is an arithmetic number, because the mean of its divisors is an integer number (10247122).

Almost surely, 2^72294592 is an apocalyptic number.

It is an amenable number.

72294592 is a deficient number, since it is larger than the sum of its proper divisors (71165116).

72294592 is a wasteful number, since it uses less digits than its factorization.

72294592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129615 (or 1129605 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 72294592 is about 8502.6226542168. The cubic root of 72294592 is about 416.5833777700.

The spelling of 72294592 in words is "seventy-two million, two hundred ninety-four thousand, five hundred ninety-two".