68424426 has 48 divisors (see below), whose sum is σ = 175715904. Its totient is φ = 19548864.

The previous prime is 68424403. The next prime is 68424443. The reversal of 68424426 is 62442486.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6655 + ... + 13458.

It is an arithmetic number, because the mean of its divisors is an integer number (3660748).

Almost surely, 2^68424426 is an apocalyptic number.

68424426 is an abundant number, since it is smaller than the sum of its proper divisors (107291478).

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

68424426 is a wasteful number, since it uses less digits than its factorization.

68424426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20137 (or 20125 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 68424426 is about 8271.9058263498. The cubic root of 68424426 is about 409.0129458702.

The spelling of 68424426 in words is "sixty-eight million, four hundred twenty-four thousand, four hundred twenty-six".