63207680 has 144 divisors (see below), whose sum is σ = 167771520. Its totient is φ = 22708224.

The previous prime is 63207671. The next prime is 63207731. The reversal of 63207680 is 8670236.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559304 + ... + 559416.

It is an arithmetic number, because the mean of its divisors is an integer number (1165080).

Almost surely, 2^63207680 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 63207680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83885760).

63207680 is an abundant number, since it is smaller than the sum of its proper divisors (104563840).

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

63207680 is a wasteful number, since it uses less digits than its factorization.

63207680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 63207680 is about 7950.3257794885. The cubic root of 63207680 is about 398.3424743423.

The spelling of 63207680 in words is "sixty-three million, two hundred seven thousand, six hundred eighty".