6723401 has 4 divisors (see below), whose sum is σ = 6730512. Its totient is φ = 6716292.

The previous prime is 6723371. The next prime is 6723403. The reversal of 6723401 is 1043276.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6723401 - 2¹⁰ = 6722377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6723403) 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, 1871 + ... + 4116.

It is an arithmetic number, because the mean of its divisors is an integer number (1682628).

Almost surely, 2^6723401 is an apocalyptic number.

It is an amenable number.

6723401 is a deficient number, since it is larger than the sum of its proper divisors (7111).

6723401 is a wasteful number, since it uses less digits than its factorization.

6723401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110.

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

The square root of 6723401 is about 2592.9521785023. The cubic root of 6723401 is about 188.7395889174.

Adding to 6723401 its reverse (1043276), we get a palindrome (7766677).

The spelling of 6723401 in words is "six million, seven hundred twenty-three thousand, four hundred one".