6747990 has 32 divisors (see below), whose sum is σ = 16574976. Its totient is φ = 1757280.

The previous prime is 6747989. The next prime is 6748009. The reversal of 6747990 is 997476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (517968).

Almost surely, 2^6747990 is an apocalyptic number.

6747990 is an abundant number, since it is smaller than the sum of its proper divisors (9826986).

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

6747990 is a wasteful number, since it uses less digits than its factorization.

6747990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 6747990 is about 2597.6893578717. The cubic root of 6747990 is about 188.9693967974.

The spelling of 6747990 in words is "six million, seven hundred forty-seven thousand, nine hundred ninety".