6723604 has 6 divisors (see below), whose sum is σ = 11766314. Its totient is φ = 3361800.

The previous prime is 6723593. The next prime is 6723617. The reversal of 6723604 is 4063276.

6723604 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5616900 + 1106704 = 2370^2 + 1052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840447 + ... + 840454.

Almost surely, 2^6723604 is an apocalyptic number.

It is an amenable number.

6723604 is a deficient number, since it is larger than the sum of its proper divisors (5042710).

6723604 is a wasteful number, since it uses less digits than its factorization.

6723604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680905 (or 1680903 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 6723604 is about 2592.9913227776. The cubic root of 6723604 is about 188.7414884398.

The spelling of 6723604 in words is "six million, seven hundred twenty-three thousand, six hundred four".