73979323 has 8 divisors (see below), whose sum is σ = 81910080. Its totient is φ = 66249480.

The previous prime is 73979309. The next prime is 73979327. The reversal of 73979323 is 32397937.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-73979323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73979323.

It is not an unprimeable number, because it can be changed into a prime (73979327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49453 + ... + 50926.

It is an arithmetic number, because the mean of its divisors is an integer number (10238760).

Almost surely, 2^73979323 is an apocalyptic number.

73979323 is a deficient number, since it is larger than the sum of its proper divisors (7930757).

73979323 is a wasteful number, since it uses less digits than its factorization.

73979323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100457.

The product of its digits is 214326, while the sum is 43.

The square root of 73979323 is about 8601.1233568645. The cubic root of 73979323 is about 419.7945385838.

The spelling of 73979323 in words is "seventy-three million, nine hundred seventy-nine thousand, three hundred twenty-three".