68625170 has 16 divisors (see below), whose sum is σ = 126154368. Its totient is φ = 26865840.

The previous prime is 68625163. The next prime is 68625173. The reversal of 68625170 is 7152686.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68625170.

It is not an unprimeable number, because it can be changed into a prime (68625173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72536 + ... + 73475.

It is an arithmetic number, because the mean of its divisors is an integer number (7884648).

Almost surely, 2^68625170 is an apocalyptic number.

68625170 is a deficient number, since it is larger than the sum of its proper divisors (57529198).

68625170 is a wasteful number, since it uses less digits than its factorization.

68625170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146065.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 68625170 is about 8284.0310236020. The cubic root of 68625170 is about 409.4125435723.

The spelling of 68625170 in words is "sixty-eight million, six hundred twenty-five thousand, one hundred seventy".