704543400 has 384 divisors, whose sum is σ = 2745360000. Its totient is φ = 164505600.

The previous prime is 704543317. The next prime is 704543407. The reversal of 704543400 is 4345407.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (704543407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1722396 + ... + 1722804.

It is an arithmetic number, because the mean of its divisors is an integer number (7149375).

Almost surely, 2^704543400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704543400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372680000).

704543400 is an abundant number, since it is smaller than the sum of its proper divisors (2040816600).

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

704543400 is a wasteful number, since it uses less digits than its factorization.

704543400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 704543400 is about 26543.2364266304. The cubic root of 704543400 is about 889.8208619805.

Adding to 704543400 its reverse (4345407), we get a palindrome (708888807).

The spelling of 704543400 in words is "seven hundred four million, five hundred forty-three thousand, four hundred".