6504704 has 18 divisors (see below), whose sum is σ = 12984510. Its totient is φ = 3252224.

The previous prime is 6504697. The next prime is 6504737. The reversal of 6504704 is 4074056.

It can be written as a sum of positive squares in only one way, i.e., 4194304 + 2310400 = 2048^2 + 1520^2 .

It is a super-2 number, since 2×6504704² = 84622348255232, which contains 22 as substring.

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, 12449 + ... + 12960.

Almost surely, 2^6504704 is an apocalyptic number.

6504704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6504704 is a deficient number, since it is larger than the sum of its proper divisors (6479806).

6504704 is an equidigital number, since it uses as much as digits as its factorization.

6504704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25425 (or 25411 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 6504704 is about 2550.4321202494. The cubic root of 6504704 is about 186.6705668119.

The spelling of 6504704 in words is "six million, five hundred four thousand, seven hundred four".