6748281 has 6 divisors (see below), whose sum is σ = 9747530. Its totient is φ = 4498848.

The previous prime is 6748279. The next prime is 6748309. The reversal of 6748281 is 1828476.

It can be written as a sum of positive squares in only one way, i.e., 6456681 + 291600 = 2541^2 + 540^2 .

It is not a de Polignac number, because 6748281 - 2¹ = 6748279 is a prime.

It is a super-2 number, since 2×6748281² = 91078592909922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6748381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374896 + ... + 374913.

Almost surely, 2^6748281 is an apocalyptic number.

It is an amenable number.

6748281 is a deficient number, since it is larger than the sum of its proper divisors (2999249).

6748281 is a wasteful number, since it uses less digits than its factorization.

6748281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749815 (or 749812 counting only the distinct ones).

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

The square root of 6748281 is about 2597.7453685841. The cubic root of 6748281 is about 188.9721131275.

The spelling of 6748281 in words is "six million, seven hundred forty-eight thousand, two hundred eighty-one".