73899812 has 24 divisors (see below), whose sum is σ = 148298304. Its totient is φ = 31564512.

The previous prime is 73899811. The next prime is 73899817. The reversal of 73899812 is 21899837.

It is a super-2 number, since 2×73899812² = 10922364427270688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73899811) 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, 4298 + ... + 12894.

It is an arithmetic number, because the mean of its divisors is an integer number (6179096).

Almost surely, 2^73899812 is an apocalyptic number.

It is a pronic number, being equal to 8596×8597.

It is an amenable number.

73899812 is an abundant number, since it is smaller than the sum of its proper divisors (74398492).

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

73899812 is a wasteful number, since it uses less digits than its factorization.

73899812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915 (or 8913 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 73899812 is about 8596.4999854592. The cubic root of 73899812 is about 419.6440900198.

The spelling of 73899812 in words is "seventy-three million, eight hundred ninety-nine thousand, eight hundred twelve".