73513172 has 12 divisors (see below), whose sum is σ = 128743776. Its totient is φ = 36729240.

The previous prime is 73513171. The next prime is 73513177. The reversal of 73513172 is 27131537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73513171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (10728648).

Almost surely, 2^73513172 is an apocalyptic number.

It is an amenable number.

73513172 is a deficient number, since it is larger than the sum of its proper divisors (55230604).

73513172 is a wasteful number, since it uses less digits than its factorization.

73513172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13678 (or 13676 counting only the distinct ones).

The product of its digits is 4410, while the sum is 29.

The square root of 73513172 is about 8573.9822719667. The cubic root of 73513172 is about 418.9109578904.

The spelling of 73513172 in words is "seventy-three million, five hundred thirteen thousand, one hundred seventy-two".