563737728 has 256 divisors, whose sum is σ = 1692057600. Its totient is φ = 165580800.

The previous prime is 563737711. The next prime is 563737763. The reversal of 563737728 is 827737365.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7939933 + ... + 7940003.

It is an arithmetic number, because the mean of its divisors is an integer number (6609600).

Almost surely, 2^563737728 is an apocalyptic number.

563737728 is a gapful number since it is divisible by the number (58) 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 563737728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846028800).

563737728 is an abundant number, since it is smaller than the sum of its proper divisors (1128319872).

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

563737728 is a wasteful number, since it uses less digits than its factorization.

563737728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 159 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 48.

The square root of 563737728 is about 23743.1617102693. The cubic root of 563737728 is about 826.0868335371.

It can be divided in two parts, 563737 and 728, that added together give a palindrome (564465).

The spelling of 563737728 in words is "five hundred sixty-three million, seven hundred thirty-seven thousand, seven hundred twenty-eight".