72473494 has 16 divisors (see below), whose sum is σ = 113889600. Its totient is φ = 34542144.

The previous prime is 72473477. The next prime is 72473503. The reversal of 72473494 is 49437427.

It is a congruent number.

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, 3327 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (7118100).

Almost surely, 2^72473494 is an apocalyptic number.

72473494 is a deficient number, since it is larger than the sum of its proper divisors (41416106).

72473494 is a wasteful number, since it uses less digits than its factorization.

72473494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15927.

The product of its digits is 169344, while the sum is 40.

The square root of 72473494 is about 8513.1365547605. The cubic root of 72473494 is about 416.9267239126.

The spelling of 72473494 in words is "seventy-two million, four hundred seventy-three thousand, four hundred ninety-four".