73422623 has 4 divisors (see below), whose sum is σ = 74135568. Its totient is φ = 72709680.

The previous prime is 73422619. The next prime is 73422641. The reversal of 73422623 is 32622437.

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 73422623 - 2² = 73422619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73422653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356318 + ... + 356523.

It is an arithmetic number, because the mean of its divisors is an integer number (18533892).

Almost surely, 2^73422623 is an apocalyptic number.

73422623 is a deficient number, since it is larger than the sum of its proper divisors (712945).

73422623 is a wasteful number, since it uses less digits than its factorization.

73422623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712944.

The product of its digits is 12096, while the sum is 29.

The square root of 73422623 is about 8568.7001931448. The cubic root of 73422623 is about 418.7388909803.

The spelling of 73422623 in words is "seventy-three million, four hundred twenty-two thousand, six hundred twenty-three".