63057720 has 256 divisors, whose sum is σ = 225607680. Its totient is φ = 13939200.

The previous prime is 63057719. The next prime is 63057739. The reversal of 63057720 is 2775036.

63057720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 941127 + ... + 941193.

It is an arithmetic number, because the mean of its divisors is an integer number (881280).

Almost surely, 2^63057720 is an apocalyptic number.

63057720 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 63057720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112803840).

63057720 is an abundant number, since it is smaller than the sum of its proper divisors (162549960).

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

63057720 is a wasteful number, since it uses less digits than its factorization.

63057720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 63057720 is about 7940.8891189841. The cubic root of 63057720 is about 398.0272028409.

The spelling of 63057720 in words is "sixty-three million, fifty-seven thousand, seven hundred twenty".