63260730 has 128 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 15282432.

The previous prime is 63260719. The next prime is 63260773. The reversal of 63260730 is 3706236.

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

It is a junction number, because it is equal to n+sod(n) for n = 63260694 and 63260703.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 235036 + ... + 235304.

It is an arithmetic number, because the mean of its divisors is an integer number (1445850).

Almost surely, 2^63260730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63260730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

63260730 is an abundant number, since it is smaller than the sum of its proper divisors (121808070).

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

63260730 is a wasteful number, since it uses less digits than its factorization.

63260730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 63260730 is about 7953.6614210061. The cubic root of 63260730 is about 398.4538856929.

Adding to 63260730 its reverse (3706236), we get a palindrome (66966966).

The spelling of 63260730 in words is "sixty-three million, two hundred sixty thousand, seven hundred thirty".