68347525 has 6 divisors (see below), whose sum is σ = 84750962. Its totient is φ = 54678000.

The previous prime is 68347481. The next prime is 68347553. The reversal of 68347525 is 52574386.

It can be written as a sum of positive squares in 3 ways, for example, as 21095649 + 47251876 = 4593^2 + 6874^2 .

It is not a de Polignac number, because 68347525 - 2⁷ = 68347397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1366926 + ... + 1366975.

Almost surely, 2^68347525 is an apocalyptic number.

It is an amenable number.

68347525 is a deficient number, since it is larger than the sum of its proper divisors (16403437).

68347525 is a wasteful number, since it uses less digits than its factorization.

68347525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733911 (or 2733906 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 68347525 is about 8267.2561953770. The cubic root of 68347525 is about 408.8596609636.

The spelling of 68347525 in words is "sixty-eight million, three hundred forty-seven thousand, five hundred twenty-five".