68902425 has 36 divisors (see below), whose sum is σ = 123893484. Its totient is φ = 36604800.

The previous prime is 68902409. The next prime is 68902441. The reversal of 68902425 is 52420986.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68902409) and next prime (68902441).

It can be written as a sum of positive squares in 6 ways, for example, as 3825936 + 65076489 = 1956^2 + 8067^2 .

It is not a de Polignac number, because 68902425 - 2⁴ = 68902409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68902425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83515 + ... + 84335.

Almost surely, 2^68902425 is an apocalyptic number.

It is an amenable number.

68902425 is a deficient number, since it is larger than the sum of its proper divisors (54991059).

68902425 is a wasteful number, since it uses less digits than its factorization.

68902425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68902425 is about 8300.7484602294. The cubic root of 68902425 is about 409.9631634563.

The spelling of 68902425 in words is "sixty-eight million, nine hundred two thousand, four hundred twenty-five".