68708870 has 16 divisors (see below), whose sum is σ = 123776640. Its totient is φ = 27461184.

The previous prime is 68708869. The next prime is 68708881. The reversal of 68708870 is 7880786.

It is a happy number.

It is a congruent number.

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, 16346 + ... + 20114.

It is an arithmetic number, because the mean of its divisors is an integer number (7736040).

Almost surely, 2^68708870 is an apocalyptic number.

68708870 is a deficient number, since it is larger than the sum of its proper divisors (55067770).

68708870 is a wasteful number, since it uses less digits than its factorization.

68708870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 68708870 is about 8289.0813725044. The cubic root of 68708870 is about 409.5789252246.

The spelling of 68708870 in words is "sixty-eight million, seven hundred eight thousand, eight hundred seventy".