73055172 has 12 divisors (see below), whose sum is σ = 170462096. Its totient is φ = 24351720.

The previous prime is 73055161. The next prime is 73055173. The reversal of 73055172 is 27155037.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (73055173) 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, 3043954 + ... + 3043977.

Almost surely, 2^73055172 is an apocalyptic number.

It is an amenable number.

73055172 is an abundant number, since it is smaller than the sum of its proper divisors (97406924).

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

73055172 is a wasteful number, since it uses less digits than its factorization.

73055172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6087938 (or 6087936 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 73055172 is about 8547.2318325877. The cubic root of 73055172 is about 418.0391819379.

The spelling of 73055172 in words is "seventy-three million, fifty-five thousand, one hundred seventy-two".