704040 has 32 divisors (see below), whose sum is σ = 2112480. Its totient is φ = 187712.

The previous prime is 704029. The next prime is 704059. The reversal of 704040 is 40407.

704040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2814 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (66015).

2⁷⁰⁴⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

704040 is an abundant number, since it is smaller than the sum of its proper divisors (1408440).

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

704040 is a wasteful number, since it uses less digits than its factorization.

704040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 704040 is about 839.0709147623. The cubic root of 704040 is about 88.9608884243.

Adding to 704040 its reverse (40407), we get a palindrome (744447).

The spelling of 704040 in words is "seven hundred four thousand, forty", and thus it is an iban number.