6748431 has 4 divisors (see below), whose sum is σ = 8997912. Its totient is φ = 4498952.

The previous prime is 6748411. The next prime is 6748433. The reversal of 6748431 is 1348476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6748431 - 2⁶ = 6748367 is a prime.

It is a super-2 number, since 2×6748431² = 91082641923522, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 6748392 and 6748401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6748433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124736 + ... + 1124741.

It is an arithmetic number, because the mean of its divisors is an integer number (2249478).

Almost surely, 2^6748431 is an apocalyptic number.

6748431 is a deficient number, since it is larger than the sum of its proper divisors (2249481).

6748431 is a wasteful number, since it uses less digits than its factorization.

6748431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249480.

The product of its digits is 16128, while the sum is 33.

The square root of 6748431 is about 2597.7742396136. The cubic root of 6748431 is about 188.9735132671.

The spelling of 6748431 in words is "six million, seven hundred forty-eight thousand, four hundred thirty-one".