4782681 has 12 divisors (see below), whose sum is σ = 6942208. Its totient is φ = 3172824.

The previous prime is 4782677. The next prime is 4782683. The reversal of 4782681 is 1862874.

It is not a de Polignac number, because 4782681 - 2² = 4782677 is a prime.

It is a super-2 number, since 2×4782681² = 45748075095522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4782683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 816 + ... + 3198.

Almost surely, 2^4782681 is an apocalyptic number.

It is an amenable number.

4782681 is a deficient number, since it is larger than the sum of its proper divisors (2159527).

4782681 is a wasteful number, since it uses less digits than its factorization.

4782681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612 (or 2609 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 4782681 is about 2186.9341553874. The cubic root of 4782681 is about 168.4834078647.

It can be divided in two parts, 47 and 82681, that added together give a palindrome (82728).

The spelling of 4782681 in words is "four million, seven hundred eighty-two thousand, six hundred eighty-one".