67708868 has 12 divisors (see below), whose sum is σ = 119000700. Its totient is φ = 33708672.

The previous prime is 67708829. The next prime is 67708873. The reversal of 67708868 is 86880776.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15984004 + 51724864 = 3998^2 + 7192^2 .

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, 35393 + ... + 37256.

It is an arithmetic number, because the mean of its divisors is an integer number (9916725).

Almost surely, 2^67708868 is an apocalyptic number.

It is an amenable number.

67708868 is a deficient number, since it is larger than the sum of its proper divisors (51291832).

67708868 is a wasteful number, since it uses less digits than its factorization.

67708868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72886 (or 72884 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 67708868 is about 8228.5398461695. The cubic root of 67708868 is about 407.5821767100.

The spelling of 67708868 in words is "sixty-seven million, seven hundred eight thousand, eight hundred sixty-eight".