6747623 has 4 divisors (see below), whose sum is σ = 7144560. Its totient is φ = 6350688.

The previous prime is 6747619. The next prime is 6747667. The reversal of 6747623 is 3267476.

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 6747623 - 2² = 6747619 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 (6747613) 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, 198443 + ... + 198476.

It is an arithmetic number, because the mean of its divisors is an integer number (1786140).

Almost surely, 2^6747623 is an apocalyptic number.

6747623 is a deficient number, since it is larger than the sum of its proper divisors (396937).

6747623 is a wasteful number, since it uses less digits than its factorization.

6747623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396936.

The product of its digits is 42336, while the sum is 35.

The square root of 6747623 is about 2597.6187172101. The cubic root of 6747623 is about 188.9659709365.

The spelling of 6747623 in words is "six million, seven hundred forty-seven thousand, six hundred twenty-three".