73818423 has 12 divisors (see below), whose sum is σ = 121859088. Its totient is φ = 42181920.

The previous prime is 73818383. The next prime is 73818443. The reversal of 73818423 is 32481837.

It is not a de Polignac number, because 73818423 - 2⁶ = 73818359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73818443) 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 11 ways as a sum of consecutive naturals, for example, 585798 + ... + 585923.

It is an arithmetic number, because the mean of its divisors is an integer number (10154924).

Almost surely, 2^73818423 is an apocalyptic number.

73818423 is a deficient number, since it is larger than the sum of its proper divisors (48040665).

73818423 is a wasteful number, since it uses less digits than its factorization.

73818423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171734 (or 1171731 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 73818423 is about 8591.7648361672. The cubic root of 73818423 is about 419.4899761451.

The spelling of 73818423 in words is "seventy-three million, eight hundred eighteen thousand, four hundred twenty-three".