6722453 has 4 divisors (see below), whose sum is σ = 6771660. Its totient is φ = 6673248.

The previous prime is 6722423. The next prime is 6722473. The reversal of 6722453 is 3542276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1423249 + 5299204 = 1193^2 + 2302^2 .

It is a cyclic number.

It is not a de Polignac number, because 6722453 - 2¹⁶ = 6656917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722413) 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, 24398 + ... + 24671.

It is an arithmetic number, because the mean of its divisors is an integer number (1692915).

Almost surely, 2^6722453 is an apocalyptic number.

It is an amenable number.

6722453 is a deficient number, since it is larger than the sum of its proper divisors (49207).

6722453 is a wasteful number, since it uses less digits than its factorization.

6722453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49206.

The product of its digits is 10080, while the sum is 29.

The square root of 6722453 is about 2592.7693688410. The cubic root of 6722453 is about 188.7307177355.

It can be divided in two parts, 672 and 2453, that added together give a 5-th power (3125 = 5⁵).

The spelling of 6722453 in words is "six million, seven hundred twenty-two thousand, four hundred fifty-three".