68630842 has 16 divisors (see below), whose sum is σ = 118172160. Its totient is φ = 29283408.

The previous prime is 68630839. The next prime is 68630897. The reversal of 68630842 is 24803686.

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, 7498 + ... + 13909.

It is an arithmetic number, because the mean of its divisors is an integer number (7385760).

Almost surely, 2^68630842 is an apocalyptic number.

68630842 is a deficient number, since it is larger than the sum of its proper divisors (49541318).

68630842 is a wasteful number, since it uses less digits than its factorization.

68630842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21645.

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

The square root of 68630842 is about 8284.3733619387. The cubic root of 68630842 is about 409.4238228351.

The spelling of 68630842 in words is "sixty-eight million, six hundred thirty thousand, eight hundred forty-two".