704667394 has 16 divisors (see below), whose sum is σ = 1072726200. Its totient is φ = 347103360.

The previous prime is 704667389. The next prime is 704667473. The reversal of 704667394 is 493766407.

It can be written as a sum of positive squares in 4 ways, for example, as 687750625 + 16916769 = 26225^2 + 4113^2 .

It is a super-2 number, since 2×704667394² = 993112272333502472, which contains 22 as substring.

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, 152632 + ... + 157180.

Almost surely, 2^704667394 is an apocalyptic number.

704667394 is a deficient number, since it is larger than the sum of its proper divisors (368058806).

704667394 is a wasteful number, since it uses less digits than its factorization.

704667394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685.

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 704667394 is about 26545.5720224673. The cubic root of 704667394 is about 889.8730593687.

The spelling of 704667394 in words is "seven hundred four million, six hundred sixty-seven thousand, three hundred ninety-four".