68670025 has 6 divisors (see below), whose sum is σ = 85150862. Its totient is φ = 54936000.

The previous prime is 68670023. The next prime is 68670029. The reversal of 68670025 is 52007686.

It can be written as a sum of positive squares in 3 ways, for example, as 45369 + 68624656 = 213^2 + 8284^2 .

It is not a de Polignac number, because 68670025 - 2¹ = 68670023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68670023) 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, 1373376 + ... + 1373425.

Almost surely, 2^68670025 is an apocalyptic number.

It is an amenable number.

68670025 is a deficient number, since it is larger than the sum of its proper divisors (16480837).

68670025 is a wasteful number, since it uses less digits than its factorization.

68670025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746811 (or 2746806 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 68670025 is about 8286.7378985944. The cubic root of 68670025 is about 409.5017246507.

The spelling of 68670025 in words is "sixty-eight million, six hundred seventy thousand, twenty-five".