3781061560 has 32 divisors (see below), whose sum is σ = 8955147600. Its totient is φ = 1432823040.

The previous prime is 3781061549. The next prime is 3781061569. The reversal of 3781061560 is 651601873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781061569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486781 + ... + 2488300.

Almost surely, 2^3781061560 is an apocalyptic number.

It is an amenable number.

3781061560 is an abundant number, since it is smaller than the sum of its proper divisors (5174086040).

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

3781061560 is a wasteful number, since it uses less digits than its factorization.

3781061560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975111 (or 4975107 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 3781061560 is about 61490.3371270641. The cubic root of 3781061560 is about 1557.8940408230.

The spelling of 3781061560 in words is "three billion, seven hundred eighty-one million, sixty-one thousand, five hundred sixty".