5781776 has 120 divisors (see below), whose sum is σ = 15873984. Its totient is φ = 1969920.

The previous prime is 5781749. The next prime is 5781791. The reversal of 5781776 is 6771875.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304295 + ... + 304313.

Almost surely, 2^5781776 is an apocalyptic number.

5781776 is a gapful number since it is divisible by the number (56) 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 5781776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7936992).

5781776 is an abundant number, since it is smaller than the sum of its proper divisors (10092208).

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

5781776 is a wasteful number, since it uses less digits than its factorization.

5781776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 52 counting only the distinct ones).

The product of its digits is 82320, while the sum is 41.

The square root of 5781776 is about 2404.5323869726. The cubic root of 5781776 is about 179.4818017827.

Subtracting 5781776 from its reverse (6771875), we obtain a palindrome (990099).

The spelling of 5781776 in words is "five million, seven hundred eighty-one thousand, seven hundred seventy-six".