6670742 has 8 divisors (see below), whose sum is σ = 10775856. Its totient is φ = 3078792.

The previous prime is 6670709. The next prime is 6670751. The reversal of 6670742 is 2470766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6670699 and 6670708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128258 + ... + 128309.

It is an arithmetic number, because the mean of its divisors is an integer number (1346982).

Almost surely, 2^6670742 is an apocalyptic number.

6670742 is a deficient number, since it is larger than the sum of its proper divisors (4105114).

6670742 is a wasteful number, since it uses less digits than its factorization.

6670742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256582.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 6670742 is about 2582.7779618078. Note that the first 3 decimals coincide. The cubic root of 6670742 is about 188.2455483193.

The spelling of 6670742 in words is "six million, six hundred seventy thousand, seven hundred forty-two".