68821496 has 16 divisors (see below), whose sum is σ = 135832200. Its totient is φ = 32599584.

The previous prime is 68821483. The next prime is 68821499. The reversal of 68821496 is 69412886.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68821499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226235 + ... + 226538.

Almost surely, 2^68821496 is an apocalyptic number.

It is an amenable number.

68821496 is a deficient number, since it is larger than the sum of its proper divisors (67010704).

68821496 is a wasteful number, since it uses less digits than its factorization.

68821496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452798 (or 452794 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 68821496 is about 8295.8722265956. The cubic root of 68821496 is about 409.8025938441.

The spelling of 68821496 in words is "sixty-eight million, eight hundred twenty-one thousand, four hundred ninety-six".