68271964 has 12 divisors (see below), whose sum is σ = 119862288. Its totient is φ = 34025600.

The previous prime is 68271943. The next prime is 68271971. The reversal of 68271964 is 46917286.

It is a super-2 number, since 2×68271964² = 9322122136834592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68271964.

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, 26197 + ... + 28684.

It is an arithmetic number, because the mean of its divisors is an integer number (9988524).

Almost surely, 2^68271964 is an apocalyptic number.

It is an amenable number.

68271964 is a deficient number, since it is larger than the sum of its proper divisors (51590324).

68271964 is a wasteful number, since it uses less digits than its factorization.

68271964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55196 (or 55194 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 68271964 is about 8262.6850357496. The cubic root of 68271964 is about 408.7089350149.

The spelling of 68271964 in words is "sixty-eight million, two hundred seventy-one thousand, nine hundred sixty-four".