63783240 has 64 divisors (see below), whose sum is σ = 192024000. Its totient is φ = 16948992.

The previous prime is 63783229. The next prime is 63783287. The reversal of 63783240 is 4238736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41119 + ... + 42641.

It is an arithmetic number, because the mean of its divisors is an integer number (3000375).

Almost surely, 2^63783240 is an apocalyptic number.

63783240 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 63783240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96012000).

63783240 is an abundant number, since it is smaller than the sum of its proper divisors (128240760).

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

63783240 is a wasteful number, since it uses less digits than its factorization.

63783240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 63783240 is about 7986.4410096112. The cubic root of 63783240 is about 399.5479058865.

The spelling of 63783240 in words is "sixty-three million, seven hundred eighty-three thousand, two hundred forty".