73112299 has 4 divisors (see below), whose sum is σ = 78736336. Its totient is φ = 67488264.

The previous prime is 73112287. The next prime is 73112309. The reversal of 73112299 is 99221137.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73112299 - 2⁵ = 73112267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73112899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811999 + ... + 2812024.

It is an arithmetic number, because the mean of its divisors is an integer number (19684084).

Almost surely, 2^73112299 is an apocalyptic number.

73112299 is a deficient number, since it is larger than the sum of its proper divisors (5624037).

73112299 is a wasteful number, since it uses less digits than its factorization.

73112299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624036.

The product of its digits is 6804, while the sum is 34.

The square root of 73112299 is about 8550.5730217337. The cubic root of 73112299 is about 418.1481183375.

The spelling of 73112299 in words is "seventy-three million, one hundred twelve thousand, two hundred ninety-nine".