73112831 has 8 divisors (see below), whose sum is σ = 81067728. Its totient is φ = 65376000.

The previous prime is 73112827. The next prime is 73112833. The reversal of 73112831 is 13821137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73112831 - 2² = 73112827 is a prime.

It is a super-2 number, since 2×73112831² = 10690972113669122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73112831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73112833) 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, 53810 + ... + 55151.

It is an arithmetic number, because the mean of its divisors is an integer number (10133466).

Almost surely, 2^73112831 is an apocalyptic number.

73112831 is a deficient number, since it is larger than the sum of its proper divisors (7954897).

73112831 is a wasteful number, since it uses less digits than its factorization.

73112831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109033.

The product of its digits is 1008, while the sum is 26.

The square root of 73112831 is about 8550.6041307033. The cubic root of 73112831 is about 418.1491325501.

Adding to 73112831 its reverse (13821137), we get a palindrome (86933968).

The spelling of 73112831 in words is "seventy-three million, one hundred twelve thousand, eight hundred thirty-one".