68130870 has 32 divisors (see below), whose sum is σ = 168791040. Its totient is φ = 17581920.

The previous prime is 68130841. The next prime is 68130929. The reversal of 68130870 is 7803186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35700 + ... + 37559.

It is an arithmetic number, because the mean of its divisors is an integer number (5274720).

Almost surely, 2^68130870 is an apocalyptic number.

68130870 is an abundant number, since it is smaller than the sum of its proper divisors (100660170).

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

68130870 is a wasteful number, since it uses less digits than its factorization.

68130870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73300.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 68130870 is about 8254.1425962967. The cubic root of 68130870 is about 408.4271885697.

The spelling of 68130870 in words is "sixty-eight million, one hundred thirty thousand, eight hundred seventy".