73539868 has 12 divisors (see below), whose sum is σ = 132173272. Its totient is φ = 35776080.

The previous prime is 73539857. The next prime is 73539887. The reversal of 73539868 is 86893537.

It is a super-2 number, since 2×73539868² = 10816224370914848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248298 + ... + 248593.

Almost surely, 2^73539868 is an apocalyptic number.

It is an amenable number.

73539868 is a deficient number, since it is larger than the sum of its proper divisors (58633404).

73539868 is a wasteful number, since it uses less digits than its factorization.

73539868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496932 (or 496930 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 73539868 is about 8575.5389335015. The cubic root of 73539868 is about 418.9616603391.

The spelling of 73539868 in words is "seventy-three million, five hundred thirty-nine thousand, eight hundred sixty-eight".