73172472 has 32 divisors (see below), whose sum is σ = 184556880. Its totient is φ = 24174080.

The previous prime is 73172461. The next prime is 73172497. The reversal of 73172472 is 27427137.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10779 + ... + 16202.

Almost surely, 2^73172472 is an apocalyptic number.

It is an amenable number.

73172472 is an abundant number, since it is smaller than the sum of its proper divisors (111384408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73172472 is a wasteful number, since it uses less digits than its factorization.

73172472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27103 (or 27099 counting only the distinct ones).

The product of its digits is 16464, while the sum is 33.

The square root of 73172472 is about 8554.0909511181. The cubic root of 73172472 is about 418.2628018562.

The spelling of 73172472 in words is "seventy-three million, one hundred seventy-two thousand, four hundred seventy-two".