68657796 has 27 divisors (see below), whose sum is σ = 173677413. Its totient is φ = 22869360.

The previous prime is 68657791. The next prime is 68657801. The reversal of 68657796 is 69775686.

It is a happy number.

The square root of 68657796 is 8286.

It is a perfect power (a square), and thus also a powerful number.

68657796 is a `hidden beast` number, since 68 + 6 + 577 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (68657791) and next prime (68657801).

It can be written as a sum of positive squares in only one way, i.e., 31203396 + 37454400 = 5586^2 + 6120^2 .

It is not an unprimeable number, because it can be changed into a prime (68657791) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49026 + ... + 50406.

Almost surely, 2^68657796 is an apocalyptic number.

68657796 is the 8286-th square number.

It is an amenable number.

68657796 is an abundant number, since it is smaller than the sum of its proper divisors (105019617).

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

68657796 is a wasteful number, since it uses less digits than its factorization.

68657796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 1386 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The cubic root of 68657796 is about 409.4774147043.

The spelling of 68657796 in words is "sixty-eight million, six hundred fifty-seven thousand, seven hundred ninety-six".