6743890 has 16 divisors (see below), whose sum is σ = 12187008. Its totient is φ = 2686896.

The previous prime is 6743887. The next prime is 6743923. The reversal of 6743890 is 983476.

It is an alternating number because its digits alternate between even and odd.

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 7 ways as a sum of consecutive naturals, for example, 1639 + ... + 4021.

It is an arithmetic number, because the mean of its divisors is an integer number (761688).

Almost surely, 2^6743890 is an apocalyptic number.

6743890 is a deficient number, since it is larger than the sum of its proper divisors (5443118).

6743890 is a wasteful number, since it uses less digits than its factorization.

6743890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6743890 is about 2596.9000750895. The cubic root of 6743890 is about 188.9311171766.

It can be divided in two parts, 67438 and 90, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 6743890 in words is "six million, seven hundred forty-three thousand, eight hundred ninety".