5781066 has 16 divisors (see below), whose sum is σ = 11935488. Its totient is φ = 1864800.

The previous prime is 5781059. The next prime is 5781067. The reversal of 5781066 is 6601875.

It is not an unprimeable number, because it can be changed into a prime (5781067) 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, 15355 + ... + 15726.

It is an arithmetic number, because the mean of its divisors is an integer number (745968).

Almost surely, 2^5781066 is an apocalyptic number.

5781066 is an abundant number, since it is smaller than the sum of its proper divisors (6154422).

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

5781066 is a wasteful number, since it uses less digits than its factorization.

5781066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31117.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 5781066 is about 2404.3847445864. The cubic root of 5781066 is about 179.4744547152.

The spelling of 5781066 in words is "five million, seven hundred eighty-one thousand, sixty-six".