63670580 has 24 divisors (see below), whose sum is σ = 135902760. Its totient is φ = 25050240.

The previous prime is 63670567. The next prime is 63670589. The reversal of 63670580 is 8507636.

It is a happy number.

63670580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7540516 + 56130064 = 2746^2 + 7492^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63670580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63670589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24875 + ... + 27314.

It is an arithmetic number, because the mean of its divisors is an integer number (5662615).

Almost surely, 2^63670580 is an apocalyptic number.

It is an amenable number.

63670580 is an abundant number, since it is smaller than the sum of its proper divisors (72232180).

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

63670580 is a wasteful number, since it uses less digits than its factorization.

63670580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52259 (or 52257 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 63670580 is about 7979.3846880571. The cubic root of 63670580 is about 399.3125274640.

The spelling of 63670580 in words is "sixty-three million, six hundred seventy thousand, five hundred eighty".