63530836 has 12 divisors (see below), whose sum is σ = 117719028. Its totient is φ = 29896832.

The previous prime is 63530833. The next prime is 63530837. The reversal of 63530836 is 63803536.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19891600 + 43639236 = 4460^2 + 6606^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63530833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467071 + ... + 467206.

It is an arithmetic number, because the mean of its divisors is an integer number (9809919).

Almost surely, 2^63530836 is an apocalyptic number.

It is an amenable number.

63530836 is a deficient number, since it is larger than the sum of its proper divisors (54188192).

63530836 is a wasteful number, since it uses less digits than its factorization.

63530836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934298 (or 934296 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 63530836 is about 7970.6233131418. The cubic root of 63530836 is about 399.0201768261.

The spelling of 63530836 in words is "sixty-three million, five hundred thirty thousand, eight hundred thirty-six".