68674442 has 16 divisors (see below), whose sum is σ = 106016352. Its totient is φ = 33339600.

The previous prime is 68674439. The next prime is 68674451. The reversal of 68674442 is 24447686.

It is a super-2 number, since 2×68674442² = 9432357968022728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68674442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64817 + ... + 65867.

It is an arithmetic number, because the mean of its divisors is an integer number (6626022).

Almost surely, 2^68674442 is an apocalyptic number.

68674442 is a deficient number, since it is larger than the sum of its proper divisors (37341910).

68674442 is a wasteful number, since it uses less digits than its factorization.

68674442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its digits is 258048, while the sum is 41.

The square root of 68674442 is about 8287.0044044878. The cubic root of 68674442 is about 409.5105044657.

The spelling of 68674442 in words is "sixty-eight million, six hundred seventy-four thousand, four hundred forty-two".