1563340752 has 60 divisors (see below), whose sum is σ = 4378119460. Its totient is φ = 520763904.

The previous prime is 1563340739. The next prime is 1563340763. The reversal of 1563340752 is 2570433651.

1563340752 is a `hidden beast` number, since 1 + 563 + 3 + 40 + 7 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1079516736 + 483824016 = 32856^2 + 21996^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298218 + ... + 303414.

Almost surely, 2^1563340752 is an apocalyptic number.

1563340752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1563340752 is an abundant number, since it is smaller than the sum of its proper divisors (2814778708).

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

1563340752 is a wasteful number, since it uses less digits than its factorization.

1563340752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7300 (or 7291 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 1563340752 is about 39539.1040869669. The cubic root of 1563340752 is about 1160.6053004226.

The spelling of 1563340752 in words is "one billion, five hundred sixty-three million, three hundred forty thousand, seven hundred fifty-two".