68274668 has 24 divisors (see below), whose sum is σ = 148963584. Its totient is φ = 26600400.

The previous prime is 68274643. The next prime is 68274673. The reversal of 68274668 is 86647286.

It is a super-2 number, since 2×68274668² = 9322860581020448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110528 + ... + 111143.

It is an arithmetic number, because the mean of its divisors is an integer number (6206816).

Almost surely, 2^68274668 is an apocalyptic number.

It is an amenable number.

68274668 is an abundant number, since it is smaller than the sum of its proper divisors (80688916).

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

68274668 is a wasteful number, since it uses less digits than its factorization.

68274668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221693 (or 221691 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 68274668 is about 8262.8486613274. The cubic root of 68274668 is about 408.7143307601.

The spelling of 68274668 in words is "sixty-eight million, two hundred seventy-four thousand, six hundred sixty-eight".