73275172 has 24 divisors (see below), whose sum is σ = 135354240. Its totient is φ = 34613280.

The previous prime is 73275161. The next prime is 73275173. The reversal of 73275172 is 27157237.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (73275173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31638 + ... + 33874.

It is an arithmetic number, because the mean of its divisors is an integer number (5639760).

Almost surely, 2^73275172 is an apocalyptic number.

It is an amenable number.

73275172 is a deficient number, since it is larger than the sum of its proper divisors (62079068).

73275172 is a wasteful number, since it uses less digits than its factorization.

73275172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2689 counting only the distinct ones).

The product of its digits is 20580, while the sum is 34.

The square root of 73275172 is about 8560.0918219374. The cubic root of 73275172 is about 418.4583923003.

The spelling of 73275172 in words is "seventy-three million, two hundred seventy-five thousand, one hundred seventy-two".