73113233 has 4 divisors (see below), whose sum is σ = 73934820. Its totient is φ = 72291648.

The previous prime is 73113199. The next prime is 73113239. The reversal of 73113233 is 33231137.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21603904 + 51509329 = 4648^2 + 7177^2 .

It is a cyclic number.

It is not a de Polignac number, because 73113233 - 2¹² = 73109137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73113199 and 73113208.

It is not an unprimeable number, because it can be changed into a prime (73113239) 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, 410660 + ... + 410837.

It is an arithmetic number, because the mean of its divisors is an integer number (18483705).

Almost surely, 2^73113233 is an apocalyptic number.

It is an amenable number.

73113233 is a deficient number, since it is larger than the sum of its proper divisors (821587).

73113233 is an equidigital number, since it uses as much as digits as its factorization.

73113233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821586.

The product of its digits is 1134, while the sum is 23.

The square root of 73113233 is about 8550.6276377819. The cubic root of 73113233 is about 418.1498989256.

The spelling of 73113233 in words is "seventy-three million, one hundred thirteen thousand, two hundred thirty-three".