68925173 has 6 divisors (see below), whose sum is σ = 70567254. Its totient is φ = 67320456.

The previous prime is 68925163. The next prime is 68925211. The reversal of 68925173 is 37152986.

It can be written as a sum of positive squares in only one way, i.e., 35724529 + 33200644 = 5977^2 + 5762^2 .

It is not a de Polignac number, because 68925173 - 2⁸ = 68924917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68925173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68925113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16790 + ... + 20487.

It is an arithmetic number, because the mean of its divisors is an integer number (11761209).

Almost surely, 2^68925173 is an apocalyptic number.

It is an amenable number.

68925173 is a deficient number, since it is larger than the sum of its proper divisors (1642081).

68925173 is an equidigital number, since it uses as much as digits as its factorization.

68925173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37363 (or 37320 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 68925173 is about 8302.1185850360. The cubic root of 68925173 is about 410.0082746694.

The spelling of 68925173 in words is "sixty-eight million, nine hundred twenty-five thousand, one hundred seventy-three".