6723494 has 4 divisors (see below), whose sum is σ = 10085244. Its totient is φ = 3361746.

The previous prime is 6723461. The next prime is 6723499. The reversal of 6723494 is 4943276.

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

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723499) by changing a digit.

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 as a sum of consecutive naturals, namely, 1680872 + ... + 1680875.

It is an arithmetic number, because the mean of its divisors is an integer number (2521311).

Almost surely, 2^6723494 is an apocalyptic number.

6723494 is a deficient number, since it is larger than the sum of its proper divisors (3361750).

6723494 is a wasteful number, since it uses less digits than its factorization.

6723494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361749.

The product of its digits is 36288, while the sum is 35.

The square root of 6723494 is about 2592.9701116673. The cubic root of 6723494 is about 188.7404591467.

The spelling of 6723494 in words is "six million, seven hundred twenty-three thousand, four hundred ninety-four".