73665875 has 8 divisors (see below), whose sum is σ = 91935168. Its totient is φ = 58932600.

The previous prime is 73665863. The next prime is 73665877. The reversal of 73665875 is 57856637.

It is a happy number.

It is not a de Polignac number, because 73665875 - 2¹⁶ = 73600339 is a prime.

It is a super-2 number, since 2×73665875² = 10853322279031250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73665877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294539 + ... + 294788.

It is an arithmetic number, because the mean of its divisors is an integer number (11491896).

Almost surely, 2^73665875 is an apocalyptic number.

73665875 is a deficient number, since it is larger than the sum of its proper divisors (18269293).

73665875 is an equidigital number, since it uses as much as digits as its factorization.

73665875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589342 (or 589332 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The square root of 73665875 is about 8582.8826742534. The cubic root of 73665875 is about 419.2008139655.

The spelling of 73665875 in words is "seventy-three million, six hundred sixty-five thousand, eight hundred seventy-five".