704040032 has 72 divisors (see below), whose sum is σ = 1447327224. Its totient is φ = 337042944.

The previous prime is 704040013. The next prime is 704040037. The reversal of 704040032 is 230040407.

It is a happy number.

704040032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×704040032² = 991344733317122048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 704039986 and 704040013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704040037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4319183 + ... + 4319345.

It is an arithmetic number, because the mean of its divisors is an integer number (20101767).

Almost surely, 2^704040032 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 704040032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723663612).

704040032 is an abundant number, since it is smaller than the sum of its proper divisors (743287192).

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

704040032 is a wasteful number, since it uses less digits than its factorization.

704040032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 704040032 is about 26533.7526935034. The cubic root of 704040032 is about 889.6088977208.

Adding to 704040032 its reverse (230040407), we get a palindrome (934080439).

The spelling of 704040032 in words is "seven hundred four million, forty thousand, thirty-two".