63442317 has 8 divisors (see below), whose sum is σ = 89565696. Its totient is φ = 39806912.

The previous prime is 63442307. The next prime is 63442321. The reversal of 63442317 is 71324436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63442317 - 2¹⁰ = 63441293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63442307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621933 + ... + 622034.

It is an arithmetic number, because the mean of its divisors is an integer number (11195712).

Almost surely, 2^63442317 is an apocalyptic number.

It is an amenable number.

63442317 is a deficient number, since it is larger than the sum of its proper divisors (26123379).

63442317 is a wasteful number, since it uses less digits than its factorization.

63442317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243987.

The product of its digits is 12096, while the sum is 30.

The square root of 63442317 is about 7965.0685496109. The cubic root of 63442317 is about 398.8347693063.

The spelling of 63442317 in words is "sixty-three million, four hundred forty-two thousand, three hundred seventeen".