704780 has 24 divisors (see below), whose sum is σ = 1496880. Its totient is φ = 278720.

The previous prime is 704779. The next prime is 704783. The reversal of 704780 is 87407.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (704783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 2754.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁷⁰⁴⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

704780 is an abundant number, since it is smaller than the sum of its proper divisors (792100).

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

704780 is a wasteful number, since it uses less digits than its factorization.

704780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 704780 is about 839.5117628717. The cubic root of 704780 is about 88.9920457479.

The spelling of 704780 in words is "seven hundred four thousand, seven hundred eighty".