68196724 has 12 divisors (see below), whose sum is σ = 126364644. Its totient is φ = 32092544.

The previous prime is 68196721. The next prime is 68196727. The reversal of 68196724 is 42769186.

It is an interprime number because it is at equal distance from previous prime (68196721) and next prime (68196727).

It can be written as a sum of positive squares in 2 ways, for example, as 61121124 + 7075600 = 7818^2 + 2660^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68196721) 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, 501379 + ... + 501514.

It is an arithmetic number, because the mean of its divisors is an integer number (10530387).

Almost surely, 2^68196724 is an apocalyptic number.

It is an amenable number.

68196724 is a deficient number, since it is larger than the sum of its proper divisors (58167920).

68196724 is a wasteful number, since it uses less digits than its factorization.

68196724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002914 (or 1002912 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 68196724 is about 8258.1307812362. The cubic root of 68196724 is about 408.5587388387.

The spelling of 68196724 in words is "sixty-eight million, one hundred ninety-six thousand, seven hundred twenty-four".