63345580 has 12 divisors (see below), whose sum is σ = 133025760. Its totient is φ = 25338224.

The previous prime is 63345577. The next prime is 63345589. The reversal of 63345580 is 8554336.

It is not an unprimeable number, because it can be changed into a prime (63345589) 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, 1583620 + ... + 1583659.

It is an arithmetic number, because the mean of its divisors is an integer number (11085480).

Almost surely, 2^63345580 is an apocalyptic number.

It is an amenable number.

63345580 is an abundant number, since it is smaller than the sum of its proper divisors (69680180).

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

63345580 is a wasteful number, since it uses less digits than its factorization.

63345580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167288 (or 3167286 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 63345580 is about 7958.9936549793. The cubic root of 63345580 is about 398.6319514420.

The spelling of 63345580 in words is "sixty-three million, three hundred forty-five thousand, five hundred eighty".