68669700 has 72 divisors (see below), whose sum is σ = 216756960. Its totient is φ = 16646400.

The previous prime is 68669693. The next prime is 68669717. The reversal of 68669700 is 796686.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7105 + ... + 13704.

Almost surely, 2^68669700 is an apocalyptic number.

68669700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68669700 is an abundant number, since it is smaller than the sum of its proper divisors (148087260).

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

68669700 is a wasteful number, since it uses less digits than its factorization.

68669700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20837 (or 20830 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 68669700 is about 8286.7182889248. The cubic root of 68669700 is about 409.5010786228.

The spelling of 68669700 in words is "sixty-eight million, six hundred sixty-nine thousand, seven hundred".