68633896 has 16 divisors (see below), whose sum is σ = 136258740. Its totient is φ = 32298240.

The previous prime is 68633867. The next prime is 68633899. The reversal of 68633896 is 69833686.

It can be written as a sum of positive squares in 2 ways, for example, as 62631396 + 6002500 = 7914^2 + 2450^2 .

It is a super-2 number, since 2×68633896² = 9421223360277632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68633899) 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, 252195 + ... + 252466.

Almost surely, 2^68633896 is an apocalyptic number.

It is an amenable number.

68633896 is a deficient number, since it is larger than the sum of its proper divisors (67624844).

68633896 is a wasteful number, since it uses less digits than its factorization.

68633896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504684 (or 504680 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 68633896 is about 8284.5576828217. The cubic root of 68633896 is about 409.4298957209.

The spelling of 68633896 in words is "sixty-eight million, six hundred thirty-three thousand, eight hundred ninety-six".