2748681 has 32 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 1641600.

The previous prime is 2748659. The next prime is 2748703. The reversal of 2748681 is 1868472.

It is an interprime number because it is at equal distance from previous prime (2748659) and next prime (2748703).

It is not a de Polignac number, because 2748681 - 2⁶ = 2748617 is a prime.

It is a super-2 number, since 2×2748681² = 15110494479522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2748601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14296 + ... + 14486.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^2748681 is an apocalyptic number.

It is an amenable number.

2748681 is a deficient number, since it is larger than the sum of its proper divisors (1767159).

2748681 is a wasteful number, since it uses less digits than its factorization.

2748681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

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

The square root of 2748681 is about 1657.9146540157. The cubic root of 2748681 is about 140.0795636180.

The spelling of 2748681 in words is "two million, seven hundred forty-eight thousand, six hundred eighty-one".