63568490 has 24 divisors (see below), whose sum is σ = 120769380. Its totient is φ = 24087744.

The previous prime is 63568469. The next prime is 63568499. The reversal of 63568490 is 9486536.

It can be written as a sum of positive squares in 2 ways, for example, as 63377521 + 190969 = 7961^2 + 437^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63568499) 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, 5195 + ... + 12414.

Almost surely, 2^63568490 is an apocalyptic number.

63568490 is a deficient number, since it is larger than the sum of its proper divisors (57200890).

63568490 is a wasteful number, since it uses less digits than its factorization.

63568490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17654 (or 17635 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 63568490 is about 7972.9850119011. The cubic root of 63568490 is about 399.0989928224.

The spelling of 63568490 in words is "sixty-three million, five hundred sixty-eight thousand, four hundred ninety".