63612030 has 64 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 16436736.

The previous prime is 63612023. The next prime is 63612037. The reversal of 63612030 is 3021636.

It is an interprime number because it is at equal distance from previous prime (63612023) and next prime (63612037).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63611988 and 63612006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63612037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146694 + ... + 147126.

It is an arithmetic number, because the mean of its divisors is an integer number (2460780).

Almost surely, 2^63612030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63612030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78744960).

63612030 is an abundant number, since it is smaller than the sum of its proper divisors (93877890).

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

63612030 is a wasteful number, since it uses less digits than its factorization.

63612030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 63612030 is about 7975.7150149689. The cubic root of 63612030 is about 399.1900903895.

Adding to 63612030 its reverse (3021636), we get a palindrome (66633666).

The spelling of 63612030 in words is "sixty-three million, six hundred twelve thousand, thirty".