6742347 has 4 divisors (see below), whose sum is σ = 8989800. Its totient is φ = 4494896.

The previous prime is 6742313. The next prime is 6742349. The reversal of 6742347 is 7432476.

6742347 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6742347 - 2⁸ = 6742091 is a prime.

It is an Ulam number.

It is a D-number.

6742347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6742349) 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, 1123722 + ... + 1123727.

It is an arithmetic number, because the mean of its divisors is an integer number (2247450).

Almost surely, 2^6742347 is an apocalyptic number.

6742347 is a deficient number, since it is larger than the sum of its proper divisors (2247453).

6742347 is a wasteful number, since it uses less digits than its factorization.

6742347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247452.

The product of its digits is 28224, while the sum is 33.

The square root of 6742347 is about 2596.6029731170. The cubic root of 6742347 is about 188.9167069500.

The spelling of 6742347 in words is "six million, seven hundred forty-two thousand, three hundred forty-seven".