6703421 has 4 divisors (see below), whose sum is σ = 6727392. Its totient is φ = 6679452.

The previous prime is 6703397. The next prime is 6703427. The reversal of 6703421 is 1243076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6703421 - 2⁶ = 6703357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6703427) 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, 11561 + ... + 12126.

It is an arithmetic number, because the mean of its divisors is an integer number (1681848).

Almost surely, 2^6703421 is an apocalyptic number.

It is an amenable number.

6703421 is a deficient number, since it is larger than the sum of its proper divisors (23971).

6703421 is a wasteful number, since it uses less digits than its factorization.

6703421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23970.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 6703421 is about 2589.0965605786. The cubic root of 6703421 is about 188.5524436209.

Adding to 6703421 its reverse (1243076), we get a palindrome (7946497).

The spelling of 6703421 in words is "six million, seven hundred three thousand, four hundred twenty-one".