6727442 has 4 divisors (see below), whose sum is σ = 10091166. Its totient is φ = 3363720.

The previous prime is 6727433. The next prime is 6727447. The reversal of 6727442 is 2447276.

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

It can be written as a sum of positive squares in only one way, i.e., 6713281 + 14161 = 2591^2 + 119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6727399 and 6727408.

It is not an unprimeable number, because it can be changed into a prime (6727447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1681859 + ... + 1681862.

Almost surely, 2^6727442 is an apocalyptic number.

6727442 is a deficient number, since it is larger than the sum of its proper divisors (3363724).

6727442 is a wasteful number, since it uses less digits than its factorization.

6727442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363723.

The product of its digits is 18816, while the sum is 32.

The square root of 6727442 is about 2593.7312890891. The cubic root of 6727442 is about 188.7773943836. Note that the first 3 decimals are identical.

The spelling of 6727442 in words is "six million, seven hundred twenty-seven thousand, four hundred forty-two".