68873725 has 6 divisors (see below), whose sum is σ = 85403450. Its totient is φ = 55098960.

The previous prime is 68873719. The next prime is 68873737. The reversal of 68873725 is 52737886.

It can be written as a sum of positive squares in 3 ways, for example, as 324 + 68873401 = 18^2 + 8299^2 .

It is not a de Polignac number, because 68873725 - 2²⁵ = 35319293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1377450 + ... + 1377499.

Almost surely, 2^68873725 is an apocalyptic number.

It is an amenable number.

68873725 is a deficient number, since it is larger than the sum of its proper divisors (16529725).

68873725 is a wasteful number, since it uses less digits than its factorization.

68873725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754959 (or 2754954 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 68873725 is about 8299.0195204012. The cubic root of 68873725 is about 409.9062347546.

The spelling of 68873725 in words is "sixty-eight million, eight hundred seventy-three thousand, seven hundred twenty-five".