63342520 has 64 divisors (see below), whose sum is σ = 147962880. Its totient is φ = 24385536.

The previous prime is 63342509. The next prime is 63342553. The reversal of 63342520 is 2524336.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187792 + ... + 188128.

It is an arithmetic number, because the mean of its divisors is an integer number (2311920).

Almost surely, 2^63342520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63342520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73981440).

63342520 is an abundant number, since it is smaller than the sum of its proper divisors (84620360).

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

63342520 is a wasteful number, since it uses less digits than its factorization.

63342520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 63342520 is about 7958.8014172990. The cubic root of 63342520 is about 398.6255325073.

Adding to 63342520 its reverse (2524336), we get a palindrome (65866856).

The spelling of 63342520 in words is "sixty-three million, three hundred forty-two thousand, five hundred twenty".