63650970 has 48 divisors (see below), whose sum is σ = 168311520. Its totient is φ = 16684512.

The previous prime is 63650929. The next prime is 63650971. The reversal of 63650970 is 7905636.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63650971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684 + ... + 11303.

It is an arithmetic number, because the mean of its divisors is an integer number (3506490).

Almost surely, 2^63650970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63650970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84155760).

63650970 is an abundant number, since it is smaller than the sum of its proper divisors (104660550).

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

63650970 is a wasteful number, since it uses less digits than its factorization.

63650970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12059 (or 12056 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 63650970 is about 7978.1558019382. The cubic root of 63650970 is about 399.2715282945.

It can be divided in two parts, 63650 and 970, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 63650970 in words is "sixty-three million, six hundred fifty thousand, nine hundred seventy".