68249684 has 12 divisors (see below), whose sum is σ = 121220064. Its totient is φ = 33615384.

The previous prime is 68249683. The next prime is 68249689. The reversal of 68249684 is 48694286.

It is a super-3 number, since 3×68249684³ (a number of 24 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 127064 + ... + 127599.

It is an arithmetic number, because the mean of its divisors is an integer number (10101672).

Almost surely, 2^68249684 is an apocalyptic number.

It is an amenable number.

68249684 is a deficient number, since it is larger than the sum of its proper divisors (52970380).

68249684 is a wasteful number, since it uses less digits than its factorization.

68249684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254734 (or 254732 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 68249684 is about 8261.3366957170. The cubic root of 68249684 is about 408.6644705657.

The spelling of 68249684 in words is "sixty-eight million, two hundred forty-nine thousand, six hundred eighty-four".