67868772 has 12 divisors (see below), whose sum is σ = 158360496. Its totient is φ = 22622920.

The previous prime is 67868761. The next prime is 67868803. The reversal of 67868772 is 27786876.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2827854 + ... + 2827877.

It is an arithmetic number, because the mean of its divisors is an integer number (13196708).

Almost surely, 2^67868772 is an apocalyptic number.

It is an amenable number.

67868772 is an abundant number, since it is smaller than the sum of its proper divisors (90491724).

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

67868772 is a wasteful number, since it uses less digits than its factorization.

67868772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655738 (or 5655736 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 51.

The square root of 67868772 is about 8238.2505424392. The cubic root of 67868772 is about 407.9027786422.

The spelling of 67868772 in words is "sixty-seven million, eight hundred sixty-eight thousand, seven hundred seventy-two".