68647908 has 24 divisors (see below), whose sum is σ = 183061312. Its totient is φ = 19613664.

The previous prime is 68647907. The next prime is 68647933. The reversal of 68647908 is 80974686.

It is not an unprimeable number, because it can be changed into a prime (68647907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408535 + ... + 408702.

Almost surely, 2^68647908 is an apocalyptic number.

It is an amenable number.

68647908 is an abundant number, since it is smaller than the sum of its proper divisors (114413404).

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

68647908 is a wasteful number, since it uses less digits than its factorization.

68647908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817251 (or 817249 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 68647908 is about 8285.4033094352. The cubic root of 68647908 is about 409.4577563052.

The spelling of 68647908 in words is "sixty-eight million, six hundred forty-seven thousand, nine hundred eight".