68038642 has 16 divisors (see below), whose sum is σ = 119351232. Its totient is φ = 28481040.

The previous prime is 68038571. The next prime is 68038667. The reversal of 68038642 is 24683086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55909 + ... + 57112.

It is an arithmetic number, because the mean of its divisors is an integer number (7459452).

Almost surely, 2^68038642 is an apocalyptic number.

68038642 is a deficient number, since it is larger than the sum of its proper divisors (51312590).

68038642 is a wasteful number, since it uses less digits than its factorization.

68038642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113073.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 68038642 is about 8248.5539338723. The cubic root of 68038642 is about 408.2428109024.

The spelling of 68038642 in words is "sixty-eight million, thirty-eight thousand, six hundred forty-two".