68901910 has 64 divisors (see below), whose sum is σ = 158298624. Its totient is φ = 20966400.

The previous prime is 68901907. The next prime is 68901947. The reversal of 68901910 is 1910986.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32070 + ... + 34150.

It is an arithmetic number, because the mean of its divisors is an integer number (2473416).

Almost surely, 2^68901910 is an apocalyptic number.

68901910 is an abundant number, since it is smaller than the sum of its proper divisors (89396714).

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

68901910 is a wasteful number, since it uses less digits than its factorization.

68901910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 68901910 is about 8300.7174388724. The cubic root of 68901910 is about 409.9621420527.

The spelling of 68901910 in words is "sixty-eight million, nine hundred one thousand, nine hundred ten".