73887816 has 32 divisors (see below), whose sum is σ = 189714240. Its totient is φ = 23963328.

The previous prime is 73887809. The next prime is 73887823. The reversal of 73887816 is 61878837.

It is an interprime number because it is at equal distance from previous prime (73887809) and next prime (73887823).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40716 + ... + 42491.

It is an arithmetic number, because the mean of its divisors is an integer number (5928570).

Almost surely, 2^73887816 is an apocalyptic number.

It is an amenable number.

73887816 is an abundant number, since it is smaller than the sum of its proper divisors (115826424).

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

73887816 is a wasteful number, since it uses less digits than its factorization.

73887816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83253 (or 83249 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 73887816 is about 8595.8022313220. The cubic root of 73887816 is about 419.6213821455.

The spelling of 73887816 in words is "seventy-three million, eight hundred eighty-seven thousand, eight hundred sixteen".