63068640 has 192 divisors, whose sum is σ = 215550720. Its totient is φ = 15441920.

The previous prime is 63068633. The next prime is 63068647. The reversal of 63068640 is 4686036.

It is an interprime number because it is at equal distance from previous prime (63068633) and next prime (63068647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63068647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481375 + ... + 481505.

It is an arithmetic number, because the mean of its divisors is an integer number (1122660).

Almost surely, 2^63068640 is an apocalyptic number.

63068640 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 63068640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107775360).

63068640 is an abundant number, since it is smaller than the sum of its proper divisors (152482080).

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

63068640 is a wasteful number, since it uses less digits than its factorization.

63068640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 63068640 is about 7941.5766696545. The cubic root of 63068640 is about 398.0501775915.

The spelling of 63068640 in words is "sixty-three million, sixty-eight thousand, six hundred forty".