68476925 has 18 divisors (see below), whose sum is σ = 93336474. Its totient is φ = 49799200.

The previous prime is 68476921. The next prime is 68476999. The reversal of 68476925 is 52967486.

68476925 = 1643² + 1644² + ... + 1667².

It can be written as a sum of positive squares in 3 ways, for example, as 1138489 + 67338436 = 1067^2 + 8206^2 .

It is not a de Polignac number, because 68476925 - 2² = 68476921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68476925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68476921) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 8294 + ... + 14343.

Almost surely, 2^68476925 is an apocalyptic number.

It is an amenable number.

68476925 is a deficient number, since it is larger than the sum of its proper divisors (24859549).

68476925 is a wasteful number, since it uses less digits than its factorization.

68476925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22669 (or 22653 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 68476925 is about 8275.0785494761. The cubic root of 68476925 is about 409.1175249051.

The spelling of 68476925 in words is "sixty-eight million, four hundred seventy-six thousand, nine hundred twenty-five".