73622113 has 4 divisors (see below), whose sum is σ = 73650708. Its totient is φ = 73593520.

The previous prime is 73622089. The next prime is 73622123. The reversal of 73622113 is 31122637.

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 20142144 + 53479969 = 4488^2 + 7313^2 .

It is a cyclic number.

It is not a de Polignac number, because 73622113 - 2²⁵ = 40067681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73622123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10006 + ... + 15727.

It is an arithmetic number, because the mean of its divisors is an integer number (18412677).

Almost surely, 2^73622113 is an apocalyptic number.

It is an amenable number.

73622113 is a deficient number, since it is larger than the sum of its proper divisors (28595).

73622113 is a wasteful number, since it uses less digits than its factorization.

73622113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28594.

The product of its digits is 1512, while the sum is 25.

The square root of 73622113 is about 8580.3329189490. The cubic root of 73622113 is about 419.1177872818.

The spelling of 73622113 in words is "seventy-three million, six hundred twenty-two thousand, one hundred thirteen".