42068951 has 4 divisors (see below), whose sum is σ = 42645312. Its totient is φ = 41492592.

The previous prime is 42068933. The next prime is 42068959. The reversal of 42068951 is 15986024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42068951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42068959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288071 + ... + 288216.

It is an arithmetic number, because the mean of its divisors is an integer number (10661328).

Almost surely, 2^42068951 is an apocalyptic number.

42068951 is a deficient number, since it is larger than the sum of its proper divisors (576361).

42068951 is an equidigital number, since it uses as much as digits as its factorization.

42068951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576360.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 42068951 is about 6486.0582020207. The cubic root of 42068951 is about 347.7927791514.

The spelling of 42068951 in words is "forty-two million, sixty-eight thousand, nine hundred fifty-one".