63685230 has 64 divisors (see below), whose sum is σ = 184965120. Its totient is φ = 13699584.

The previous prime is 63685217. The next prime is 63685231. The reversal of 63685230 is 3258636.

It is a junction number, because it is equal to n+sod(n) for n = 63685191 and 63685200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63685231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5350 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (2890080).

Almost surely, 2^63685230 is an apocalyptic number.

63685230 is an abundant number, since it is smaller than the sum of its proper divisors (121279890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63685230 is a wasteful number, since it uses less digits than its factorization.

63685230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17873.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 63685230 is about 7980.3026258407. The cubic root of 63685230 is about 399.3431511310.

The spelling of 63685230 in words is "sixty-three million, six hundred eighty-five thousand, two hundred thirty".