73432879 has 4 divisors (see below), whose sum is σ = 79081576. Its totient is φ = 67784184.

The previous prime is 73432873. The next prime is 73432889. The reversal of 73432879 is 97823437.

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

It is not a de Polignac number, because 73432879 - 2¹⁵ = 73400111 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 (73432873) 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, 2824329 + ... + 2824354.

It is an arithmetic number, because the mean of its divisors is an integer number (19770394).

Almost surely, 2^73432879 is an apocalyptic number.

73432879 is a deficient number, since it is larger than the sum of its proper divisors (5648697).

73432879 is a wasteful number, since it uses less digits than its factorization.

73432879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648696.

The product of its digits is 254016, while the sum is 43.

The square root of 73432879 is about 8569.2986294095. The cubic root of 73432879 is about 418.7583871789.

The spelling of 73432879 in words is "seventy-three million, four hundred thirty-two thousand, eight hundred seventy-nine".