73993623 has 8 divisors (see below), whose sum is σ = 107627136. Its totient is φ = 44844600.

The previous prime is 73993613. The next prime is 73993627. The reversal of 73993623 is 32639937.

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

It is not a de Polignac number, because 73993623 - 2⁴ = 73993607 is a prime.

It is a super-2 number, since 2×73993623² = 10950112489332258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73993627) 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 7 ways as a sum of consecutive naturals, for example, 1121083 + ... + 1121148.

It is an arithmetic number, because the mean of its divisors is an integer number (13453392).

Almost surely, 2^73993623 is an apocalyptic number.

73993623 is a deficient number, since it is larger than the sum of its proper divisors (33633513).

73993623 is a wasteful number, since it uses less digits than its factorization.

73993623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242245.

The product of its digits is 183708, while the sum is 42.

The square root of 73993623 is about 8601.9546034608. The cubic root of 73993623 is about 419.8215852184.

The spelling of 73993623 in words is "seventy-three million, nine hundred ninety-three thousand, six hundred twenty-three".