68907100 has 18 divisors (see below), whose sum is σ = 149528624. Its totient is φ = 27562800.

The previous prime is 68907077. The next prime is 68907121. The reversal of 68907100 is 170986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344436 + ... + 344635.

Almost surely, 2^68907100 is an apocalyptic number.

It is an amenable number.

68907100 is an abundant number, since it is smaller than the sum of its proper divisors (80621524).

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

68907100 is a wasteful number, since it uses less digits than its factorization.

68907100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689085 (or 689078 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 68907100 is about 8301.0300565653. The cubic root of 68907100 is about 409.9724351883.

The spelling of 68907100 in words is "sixty-eight million, nine hundred seven thousand, one hundred".