68406692 has 12 divisors (see below), whose sum is σ = 124916736. Its totient is φ = 32716200.

The previous prime is 68406683. The next prime is 68406719. The reversal of 68406692 is 29660486.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371684 + ... + 371867.

It is an arithmetic number, because the mean of its divisors is an integer number (10409728).

Almost surely, 2^68406692 is an apocalyptic number.

It is an amenable number.

68406692 is a deficient number, since it is larger than the sum of its proper divisors (56510044).

68406692 is a wasteful number, since it uses less digits than its factorization.

68406692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743578 (or 743576 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 68406692 is about 8270.8338152813. The cubic root of 68406692 is about 408.9776073090.

The spelling of 68406692 in words is "sixty-eight million, four hundred six thousand, six hundred ninety-two".