68425812 has 72 divisors (see below), whose sum is σ = 212890496. Its totient is φ = 18045504.

The previous prime is 68425807. The next prime is 68425813. The reversal of 68425812 is 21852486.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68425813) 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, 7168 + ... + 13719.

Almost surely, 2^68425812 is an apocalyptic number.

It is an amenable number.

68425812 is an abundant number, since it is smaller than the sum of its proper divisors (144464684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68425812 is a wasteful number, since it uses less digits than its factorization.

68425812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917 (or 20912 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 68425812 is about 8271.9896034751. The cubic root of 68425812 is about 409.0157074967.

The spelling of 68425812 in words is "sixty-eight million, four hundred twenty-five thousand, eight hundred twelve".