73088865 has 32 divisors (see below), whose sum is σ = 137583360. Its totient is φ = 36686592.

The previous prime is 73088861. The next prime is 73088927. The reversal of 73088865 is 56888037.

It is not a de Polignac number, because 73088865 - 2² = 73088861 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 73088865.

It is not an unprimeable number, because it can be changed into a prime (73088861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13629 + ... + 18218.

It is an arithmetic number, because the mean of its divisors is an integer number (4299480).

Almost surely, 2^73088865 is an apocalyptic number.

It is an amenable number.

73088865 is a deficient number, since it is larger than the sum of its proper divisors (64494495).

73088865 is a wasteful number, since it uses less digits than its factorization.

73088865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31878 (or 31872 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 73088865 is about 8549.2025943944. The cubic root of 73088865 is about 418.1034385310.

The spelling of 73088865 in words is "seventy-three million, eighty-eight thousand, eight hundred sixty-five".