63530460 has 168 divisors, whose sum is σ = 230591760. Its totient is φ = 14521248.

The previous prime is 63530459. The next prime is 63530461. The reversal of 63530460 is 6403536.

It is an interprime number because it is at equal distance from previous prime (63530459) and next prime (63530461).

It is a super-2 number, since 2×63530460² = 8072238695623200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63530461) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 9075777 + ... + 9075783.

It is an arithmetic number, because the mean of its divisors is an integer number (1372570).

Almost surely, 2^63530460 is an apocalyptic number.

63530460 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 63530460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115295880).

63530460 is an abundant number, since it is smaller than the sum of its proper divisors (167061300).

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

63530460 is an frugal number, since it uses more digits than its factorization.

63530460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 63530460 is about 7970.5997264949. The cubic root of 63530460 is about 399.0193896395.

Adding to 63530460 its reverse (6403536), we get a palindrome (69933996).

The spelling of 63530460 in words is "sixty-three million, five hundred thirty thousand, four hundred sixty".