68870 has 16 divisors (see below), whose sum is σ = 127008. Its totient is φ = 26880.

The previous prime is 68863. The next prime is 68879. The reversal of 68870 is 7886.

It is a zygodrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68870.

It is not an unprimeable number, because it can be changed into a prime (68879) by changing a digit.

68870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 758.

It is an arithmetic number, because the mean of its divisors is an integer number (7938).

2⁶⁸⁸⁷⁰ is an apocalyptic number.

68870 is a deficient number, since it is larger than the sum of its proper divisors (58138).

68870 is a wasteful number, since it uses less digits than its factorization.

68870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 68870 is about 262.4309432975. The cubic root of 68870 is about 40.9898844765.

The spelling of 68870 in words is "sixty-eight thousand, eight hundred seventy".