68656042 has 16 divisors (see below), whose sum is σ = 126749952. Its totient is φ = 27160560.

The previous prime is 68656037. The next prime is 68656051. The reversal of 68656042 is 24065686.

It is a junction number, because it is equal to n+sod(n) for n = 68655992 and 68656010.

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, 188434 + ... + 188797.

It is an arithmetic number, because the mean of its divisors is an integer number (7921872).

Almost surely, 2^68656042 is an apocalyptic number.

68656042 is a deficient number, since it is larger than the sum of its proper divisors (58093910).

68656042 is a wasteful number, since it uses less digits than its factorization.

68656042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377253.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 68656042 is about 8285.8941581461. The cubic root of 68656042 is about 409.4739277029.

The spelling of 68656042 in words is "sixty-eight million, six hundred fifty-six thousand, forty-two".