6742623 has 4 divisors (see below), whose sum is σ = 8990168. Its totient is φ = 4495080.

The previous prime is 6742577. The next prime is 6742643. The reversal of 6742623 is 3262476.

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

It is not a de Polignac number, because 6742623 - 2⁶ = 6742559 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742643) 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, 1123768 + ... + 1123773.

It is an arithmetic number, because the mean of its divisors is an integer number (2247542).

Almost surely, 2^6742623 is an apocalyptic number.

6742623 is a deficient number, since it is larger than the sum of its proper divisors (2247545).

6742623 is a wasteful number, since it uses less digits than its factorization.

6742623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247544.

The product of its digits is 12096, while the sum is 30.

The square root of 6742623 is about 2596.6561189345. The cubic root of 6742623 is about 188.9192847022.

The spelling of 6742623 in words is "six million, seven hundred forty-two thousand, six hundred twenty-three".