68272216 has 16 divisors (see below), whose sum is σ = 131133240. Its totient is φ = 33303360.

The previous prime is 68272207. The next prime is 68272229. The reversal of 68272216 is 61227286.

It is a super-2 number, since 2×68272216² = 9322190955101312, which contains 22 as substring.

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, 103746 + ... + 104401.

Almost surely, 2^68272216 is an apocalyptic number.

It is an amenable number.

68272216 is a deficient number, since it is larger than the sum of its proper divisors (62861024).

68272216 is a wasteful number, since it uses less digits than its factorization.

68272216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208194 (or 208190 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 68272216 is about 8262.7002850158. The cubic root of 68272216 is about 408.7094378788.

The spelling of 68272216 in words is "sixty-eight million, two hundred seventy-two thousand, two hundred sixteen".