68992425 has 48 divisors (see below), whose sum is σ = 129743680. Its totient is φ = 35925120.

The previous prime is 68992411. The next prime is 68992459. The reversal of 68992425 is 52429986.

It is not a de Polignac number, because 68992425 - 2⁶ = 68992361 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27837 + ... + 30213.

Almost surely, 2^68992425 is an apocalyptic number.

It is an amenable number.

68992425 is a deficient number, since it is larger than the sum of its proper divisors (60751255).

68992425 is a wasteful number, since it uses less digits than its factorization.

68992425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439 (or 2428 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 68992425 is about 8306.1678889847. The cubic root of 68992425 is about 410.1415830674.

The spelling of 68992425 in words is "sixty-eight million, nine hundred ninety-two thousand, four hundred twenty-five".