6719742 has 24 divisors (see below), whose sum is σ = 14607216. Its totient is φ = 2232576.

The previous prime is 6719729. The next prime is 6719759. The reversal of 6719742 is 2479176.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6719697 and 6719706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10063 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (608634).

Almost surely, 2^6719742 is an apocalyptic number.

6719742 is an abundant number, since it is smaller than the sum of its proper divisors (7887474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6719742 is a wasteful number, since it uses less digits than its factorization.

6719742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1229 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 6719742 is about 2592.2465160551. The cubic root of 6719742 is about 188.7053441717.

The spelling of 6719742 in words is "six million, seven hundred nineteen thousand, seven hundred forty-two".