1563760 has 40 divisors (see below), whose sum is σ = 3968496. Its totient is φ = 568320.

The previous prime is 1563743. The next prime is 1563773. The reversal of 1563760 is 673651.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9 + ... + 1768.

2^1563760 is an apocalyptic number.

1563760 is a gapful number since it is divisible by the number (10) 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 1563760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984248).

1563760 is an abundant number, since it is smaller than the sum of its proper divisors (2404736).

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

1563760 is a wasteful number, since it uses less digits than its factorization.

1563760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1563760 is about 1250.5038984345. The cubic root of 1563760 is about 116.0709039368.

It can be divided in two parts, 156 and 3760, that added together give a triangular number (3916 = T₈₈).

The spelling of 1563760 in words is "one million, five hundred sixty-three thousand, seven hundred sixty".