68249685 has 32 divisors (see below), whose sum is σ = 126104832. Its totient is φ = 30873600.

The previous prime is 68249683. The next prime is 68249689. The reversal of 68249685 is 58694286.

It is a happy number.

It is not a de Polignac number, because 68249685 - 2¹ = 68249683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68249683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6835 + ... + 13535.

It is an arithmetic number, because the mean of its divisors is an integer number (3940776).

Almost surely, 2^68249685 is an apocalyptic number.

It is an amenable number.

68249685 is a deficient number, since it is larger than the sum of its proper divisors (57855147).

68249685 is a wasteful number, since it uses less digits than its factorization.

68249685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813.

The product of its digits is 829440, while the sum is 48.

The square root of 68249685 is about 8261.3367562399. The cubic root of 68249685 is about 408.6644725616.

The spelling of 68249685 in words is "sixty-eight million, two hundred forty-nine thousand, six hundred eighty-five".