6721467 has 4 divisors (see below), whose sum is σ = 8961960. Its totient is φ = 4480976.

The previous prime is 6721447. The next prime is 6721469. The reversal of 6721467 is 7641276.

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 6721467 - 2¹⁰ = 6720443 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6721469) 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, 1120242 + ... + 1120247.

It is an arithmetic number, because the mean of its divisors is an integer number (2240490).

Almost surely, 2^6721467 is an apocalyptic number.

6721467 is a deficient number, since it is larger than the sum of its proper divisors (2240493).

6721467 is a wasteful number, since it uses less digits than its factorization.

6721467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240492.

The product of its digits is 14112, while the sum is 33.

The square root of 6721467 is about 2592.5792176904. The cubic root of 6721467 is about 188.7214900728.

The spelling of 6721467 in words is "six million, seven hundred twenty-one thousand, four hundred sixty-seven".