704640770 has 16 divisors (see below), whose sum is σ = 1270055808. Its totient is φ = 281478000.

The previous prime is 704640763. The next prime is 704640773. The reversal of 704640770 is 77046407.

It is a super-2 number, since 2×704640770² = 993037229492385800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 704640770.

It is not an unprimeable number, because it can be changed into a prime (704640773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39404 + ... + 54423.

It is an arithmetic number, because the mean of its divisors is an integer number (79378488).

Almost surely, 2^704640770 is an apocalyptic number.

704640770 is a deficient number, since it is larger than the sum of its proper divisors (565415038).

704640770 is a wasteful number, since it uses less digits than its factorization.

704640770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94585.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 704640770 is about 26545.0705404977. The cubic root of 704640770 is about 889.8618520583.

The spelling of 704640770 in words is "seven hundred four million, six hundred forty thousand, seven hundred seventy".