63320460 has 96 divisors (see below), whose sum is σ = 204664320. Its totient is φ = 14327808.

The previous prime is 63320437. The next prime is 63320471. The reversal of 63320460 is 6402336.

It is a super-3 number, since 3×63320460³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 63320460.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44236 + ... + 45644.

It is an arithmetic number, because the mean of its divisors is an integer number (2131920).

Almost surely, 2^63320460 is an apocalyptic number.

63320460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63320460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102332160).

63320460 is an abundant number, since it is smaller than the sum of its proper divisors (141343860).

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

63320460 is a wasteful number, since it uses less digits than its factorization.

63320460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 63320460 is about 7957.4154095410. The cubic root of 63320460 is about 398.5792513243.

Adding to 63320460 its reverse (6402336), we get a palindrome (69722796).

The spelling of 63320460 in words is "sixty-three million, three hundred twenty thousand, four hundred sixty".