704372506 has 4 divisors (see below), whose sum is σ = 1056558762. Its totient is φ = 352186252.

The previous prime is 704372479. The next prime is 704372507. The reversal of 704372506 is 605273407.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 429111225 + 275261281 = 20715^2 + 16591^2 .

It is a super-2 number, since 2×704372506² = 992281254417440072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (704372507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176093125 + ... + 176093128.

Almost surely, 2^704372506 is an apocalyptic number.

704372506 is a deficient number, since it is larger than the sum of its proper divisors (352186256).

704372506 is a wasteful number, since it uses less digits than its factorization.

704372506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352186255.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 704372506 is about 26540.0170685702. The cubic root of 704372506 is about 889.7489111998.

Subtracting from 704372506 its reverse (605273407), we obtain a palindrome (99099099).

The spelling of 704372506 in words is "seven hundred four million, three hundred seventy-two thousand, five hundred six".