63442017 has 6 divisors (see below), whose sum is σ = 91638482. Its totient is φ = 42294672.

The previous prime is 63442009. The next prime is 63442021. The reversal of 63442017 is 71024436.

63442017 is a `hidden beast` number, since 634 + 4 + 20 + 1 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60699681 + 2742336 = 7791^2 + 1656^2 .

It is not a de Polignac number, because 63442017 - 2³ = 63442009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63442217) 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, 3524548 + ... + 3524565.

Almost surely, 2^63442017 is an apocalyptic number.

It is an amenable number.

63442017 is a deficient number, since it is larger than the sum of its proper divisors (28196465).

63442017 is a wasteful number, since it uses less digits than its factorization.

63442017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049119 (or 7049116 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 63442017 is about 7965.0497173590. The cubic root of 63442017 is about 398.8341406480.

The spelling of 63442017 in words is "sixty-three million, four hundred forty-two thousand, seventeen".