63796240 has 80 divisors (see below), whose sum is σ = 159833520. Its totient is φ = 23592960.

The previous prime is 63796237. The next prime is 63796247. The reversal of 63796240 is 4269736.

It can be written as a sum of positive squares in 8 ways, for example, as 4875264 + 58920976 = 2208^2 + 7676^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 63796240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63796247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82576 + ... + 83344.

It is an arithmetic number, because the mean of its divisors is an integer number (1997919).

Almost surely, 2^63796240 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 63796240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79916760).

63796240 is an abundant number, since it is smaller than the sum of its proper divisors (96037280).

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

63796240 is a wasteful number, since it uses less digits than its factorization.

63796240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 63796240 is about 7987.2548475681. The cubic root of 63796240 is about 399.5750487009.

The spelling of 63796240 in words is "sixty-three million, seven hundred ninety-six thousand, two hundred forty".