42204717 has 6 divisors (see below), whose sum is σ = 60962382. Its totient is φ = 28136472.

The previous prime is 42204677. The next prime is 42204749. The reversal of 42204717 is 71740224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24740676 + 17464041 = 4974^2 + 4179^2 .

It is not a de Polignac number, because 42204717 - 2¹² = 42200621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2344698 + ... + 2344715.

It is an arithmetic number, because the mean of its divisors is an integer number (10160397).

Almost surely, 2^42204717 is an apocalyptic number.

It is an amenable number.

42204717 is a deficient number, since it is larger than the sum of its proper divisors (18757665).

42204717 is a wasteful number, since it uses less digits than its factorization.

42204717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689419 (or 4689416 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 42204717 is about 6496.5157584662. The cubic root of 42204717 is about 348.1665126639.

The spelling of 42204717 in words is "forty-two million, two hundred four thousand, seven hundred seventeen".