6704006400 has 648 divisors, whose sum is σ = 29522554880. Its totient is φ = 1413365760.

The previous prime is 6704006381. The next prime is 6704006429. The reversal of 6704006400 is 46004076.

It is a super-2 number, since 2×6704006400² = 89887403622481920000, which contains 22 as substring.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 5240961 + ... + 5242239.

Almost surely, 2^6704006400 is an apocalyptic number.

6704006400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6704006400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14761277440).

6704006400 is an abundant number, since it is smaller than the sum of its proper divisors (22818548480).

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

6704006400 is a wasteful number, since it uses less digits than its factorization.

6704006400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 6704006400 is about 81877.9970443831. The cubic root of 6704006400 is about 1885.5793213126.

The spelling of 6704006400 in words is "six billion, seven hundred four million, six thousand, four hundred".