6746621 has 8 divisors (see below), whose sum is σ = 7772160. Its totient is φ = 5736528.

The previous prime is 6746611. The next prime is 6746627. The reversal of 6746621 is 1266476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6746621 - 2⁶ = 6746557 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 (6746627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906 + ... + 4683.

It is an arithmetic number, because the mean of its divisors is an integer number (971520).

Almost surely, 2^6746621 is an apocalyptic number.

It is an amenable number.

6746621 is a deficient number, since it is larger than the sum of its proper divisors (1025539).

6746621 is a wasteful number, since it uses less digits than its factorization.

6746621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723.

The product of its digits is 12096, while the sum is 32.

The square root of 6746621 is about 2597.4258410973. The cubic root of 6746621 is about 188.9566168634.

The spelling of 6746621 in words is "six million, seven hundred forty-six thousand, six hundred twenty-one".