73995999 has 16 divisors (see below), whose sum is σ = 123006720. Its totient is φ = 38439360.

The previous prime is 73995979. The next prime is 73996049. The reversal of 73995999 is 99959937.

It is not a de Polignac number, because 73995999 - 2¹² = 73991903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73995949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159934 + ... + 160395.

It is an arithmetic number, because the mean of its divisors is an integer number (7687920).

Almost surely, 2^73995999 is an apocalyptic number.

73995999 is a deficient number, since it is larger than the sum of its proper divisors (49010721).

73995999 is a wasteful number, since it uses less digits than its factorization.

73995999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320350.

The product of its digits is 6200145, while the sum is 60.

The square root of 73995999 is about 8602.0927104978. The cubic root of 73995999 is about 419.8260787831.

The spelling of 73995999 in words is "seventy-three million, nine hundred ninety-five thousand, nine hundred ninety-nine".