63426717 has 12 divisors (see below), whose sum is σ = 91688220. Its totient is φ = 42251328.

The previous prime is 63426697. The next prime is 63426719. The reversal of 63426717 is 71762436.

63426717 is a `hidden beast` number, since 634 + 2 + 6 + 7 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3426201 + 60000516 = 1851^2 + 7746^2 .

It is not a de Polignac number, because 63426717 - 2¹⁰ = 63425693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63426719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16209 + ... + 19737.

It is an arithmetic number, because the mean of its divisors is an integer number (7640685).

Almost surely, 2^63426717 is an apocalyptic number.

It is an amenable number.

63426717 is a deficient number, since it is larger than the sum of its proper divisors (28261503).

63426717 is a wasteful number, since it uses less digits than its factorization.

63426717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5529 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 63426717 is about 7964.0892134631. The cubic root of 63426717 is about 398.8020764459.

The spelling of 63426717 in words is "sixty-three million, four hundred twenty-six thousand, seven hundred seventeen".