704642130 has 24 divisors (see below), whose sum is σ = 1832069772. Its totient is φ = 187904544.

The previous prime is 704642093. The next prime is 704642131. The reversal of 704642130 is 31246407.

704642130 is a `hidden beast` number, since 7 + 0 + 4 + 642 + 13 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 703151289 + 1490841 = 26517^2 + 1221^2 .

It is a junction number, because it is equal to n+sod(n) for n = 704642094 and 704642103.

It is not an unprimeable number, because it can be changed into a prime (704642131) 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, 3914589 + ... + 3914768.

Almost surely, 2^704642130 is an apocalyptic number.

704642130 is an abundant number, since it is smaller than the sum of its proper divisors (1127427642).

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

704642130 is a wasteful number, since it uses less digits than its factorization.

704642130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829370 (or 7829367 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 704642130 is about 26545.0961572943. The cubic root of 704642130 is about 889.8624245539.

Adding to 704642130 its reverse (31246407), we get a palindrome (735888537).

The spelling of 704642130 in words is "seven hundred four million, six hundred forty-two thousand, one hundred thirty".