75868216 has 16 divisors (see below), whose sum is σ = 149740200. Its totient is φ = 35937504.

The previous prime is 75868193. The next prime is 75868249. The reversal of 75868216 is 61286857.

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, 249415 + ... + 249718.

Almost surely, 2^75868216 is an apocalyptic number.

75868216 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

75868216 is a deficient number, since it is larger than the sum of its proper divisors (73871984).

75868216 is a wasteful number, since it uses less digits than its factorization.

75868216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499158 (or 499154 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 75868216 is about 8710.2362769330. The cubic root of 75868216 is about 423.3373861737.

The spelling of 75868216 in words is "seventy-five million, eight hundred sixty-eight thousand, two hundred sixteen".