73899808 has 24 divisors (see below), whose sum is σ = 148238748. Its totient is φ = 36251904.

The previous prime is 73899773. The next prime is 73899811. The reversal of 73899808 is 80899837.

It can be written as a sum of positive squares in 2 ways, for example, as 69689104 + 4210704 = 8348^2 + 2052^2 .

It is a super-2 number, since 2×73899808² = 10922363244873728, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20091 + ... + 23482.

Almost surely, 2^73899808 is an apocalyptic number.

It is an amenable number.

73899808 is an abundant number, since it is smaller than the sum of its proper divisors (74338940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73899808 is a wasteful number, since it uses less digits than its factorization.

73899808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43636 (or 43628 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 73899808 is about 8596.4997528064. The cubic root of 73899808 is about 419.6440824484.

The spelling of 73899808 in words is "seventy-three million, eight hundred ninety-nine thousand, eight hundred eight".