68899425 has 48 divisors (see below), whose sum is σ = 130944000. Its totient is φ = 31314240.

The previous prime is 68899409. The next prime is 68899429. The reversal of 68899425 is 52499886.

It is not a de Polignac number, because 68899425 - 2⁴ = 68899409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68899429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137826 + ... + 138324.

It is an arithmetic number, because the mean of its divisors is an integer number (2728000).

Almost surely, 2^68899425 is an apocalyptic number.

It is an amenable number.

68899425 is a deficient number, since it is larger than the sum of its proper divisors (62044575).

68899425 is a wasteful number, since it uses less digits than its factorization.

68899425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 777 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 68899425 is about 8300.5677516661. The cubic root of 68899425 is about 409.9572134609.

The spelling of 68899425 in words is "sixty-eight million, eight hundred ninety-nine thousand, four hundred twenty-five".