73215875 has 8 divisors (see below), whose sum is σ = 91373568. Its totient is φ = 58572600.

The previous prime is 73215871. The next prime is 73215907. The reversal of 73215875 is 57851237.

It is a happy number.

It is not a de Polignac number, because 73215875 - 2² = 73215871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73215871) 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, 292739 + ... + 292988.

It is an arithmetic number, because the mean of its divisors is an integer number (11421696).

Almost surely, 2^73215875 is an apocalyptic number.

73215875 is a deficient number, since it is larger than the sum of its proper divisors (18157693).

73215875 is an equidigital number, since it uses as much as digits as its factorization.

73215875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585742 (or 585732 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 73215875 is about 8556.6275482809. The cubic root of 73215875 is about 418.3454844630.

The spelling of 73215875 in words is "seventy-three million, two hundred fifteen thousand, eight hundred seventy-five".