68204216 has 32 divisors (see below), whose sum is σ = 134524800. Its totient is φ = 32373120.

The previous prime is 68204183. The next prime is 68204249. The reversal of 68204216 is 61240286.

It is an interprime number because it is at equal distance from previous prime (68204183) and next prime (68204249).

It is a congruent number.

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, 10550 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (4203900).

Almost surely, 2^68204216 is an apocalyptic number.

It is an amenable number.

68204216 is a deficient number, since it is larger than the sum of its proper divisors (66320584).

68204216 is a wasteful number, since it uses less digits than its factorization.

68204216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279 (or 5275 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 68204216 is about 8258.5843823261. The cubic root of 68204216 is about 408.5736995279.

The spelling of 68204216 in words is "sixty-eight million, two hundred four thousand, two hundred sixteen".