63430776 has 96 divisors (see below), whose sum is σ = 181184640. Its totient is φ = 20785248.

The previous prime is 63430753. The next prime is 63430781. The reversal of 63430776 is 67703436.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63430776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130005 + ... + 130491.

It is an arithmetic number, because the mean of its divisors is an integer number (1887340).

Almost surely, 2^63430776 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 63430776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90592320).

63430776 is an abundant number, since it is smaller than the sum of its proper divisors (117753864).

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

63430776 is a wasteful number, since it uses less digits than its factorization.

63430776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 63430776 is about 7964.3440407858. The cubic root of 63430776 is about 398.8105833926.

The spelling of 63430776 in words is "sixty-three million, four hundred thirty thousand, seven hundred seventy-six".