63796140 has 192 divisors, whose sum is σ = 212459520. Its totient is φ = 15863040.

The previous prime is 63796111. The next prime is 63796163. The reversal of 63796140 is 4169736.

63796140 is a `hidden beast` number, since 6 + 37 + 9 + 614 + 0 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 63796095 and 63796104.

It is a congruent number.

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, 619329 + ... + 619431.

It is an arithmetic number, because the mean of its divisors is an integer number (1106560).

Almost surely, 2^63796140 is an apocalyptic number.

63796140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63796140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106229760).

63796140 is an abundant number, since it is smaller than the sum of its proper divisors (148663380).

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

63796140 is a wasteful number, since it uses less digits than its factorization.

63796140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 63796140 is about 7987.2485875926. The cubic root of 63796140 is about 399.5748399241.

It can be divided in two parts, 63796 and 140, that added together give a palindrome (63936).

The spelling of 63796140 in words is "sixty-three million, seven hundred ninety-six thousand, one hundred forty".