68431425 has 24 divisors (see below), whose sum is σ = 114513504. Its totient is φ = 36053760.

The previous prime is 68431421. The next prime is 68431469. The reversal of 68431425 is 52413486.

It is not a de Polignac number, because 68431425 - 2² = 68431421 is a prime.

It is a super-3 number, since 3×68431425³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68431421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (4771396).

Almost surely, 2^68431425 is an apocalyptic number.

It is an amenable number.

68431425 is a deficient number, since it is larger than the sum of its proper divisors (46082079).

68431425 is a wasteful number, since it uses less digits than its factorization.

68431425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089 (or 11084 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 68431425 is about 8272.3288740233. The cubic root of 68431425 is about 409.0268911048.

The spelling of 68431425 in words is "sixty-eight million, four hundred thirty-one thousand, four hundred twenty-five".