704690 has 16 divisors (see below), whose sum is σ = 1449792. Its totient is φ = 241584.

The previous prime is 704687. The next prime is 704713. The reversal of 704690 is 96407.

It is a super-2 number, since 2×704690² = 993175992200, which contains 22 as substring.

It is a Curzon number.

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, 4964 + ... + 5103.

It is an arithmetic number, because the mean of its divisors is an integer number (90612).

2⁷⁰⁴⁶⁹⁰ is an apocalyptic number.

704690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

704690 is an abundant number, since it is smaller than the sum of its proper divisors (745102).

It is a weird number, because it is abundant, but not a pseudoperfect number.

704690 is a wasteful number, since it uses less digits than its factorization.

704690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 704690 is about 839.4581585761. The cubic root of 704690 is about 88.9882575090.

The spelling of 704690 in words is "seven hundred four thousand, six hundred ninety".