730641670 has 32 divisors (see below), whose sum is σ = 1454384160. Its totient is φ = 262045440.

The previous prime is 730641661. The next prime is 730641683. The reversal of 730641670 is 76146037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37465 + ... + 53524.

It is an arithmetic number, because the mean of its divisors is an integer number (45449505).

Almost surely, 2^730641670 is an apocalyptic number.

730641670 is a deficient number, since it is larger than the sum of its proper divisors (723742490).

730641670 is a wasteful number, since it uses less digits than its factorization.

730641670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91080.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 730641670 is about 27030.3842000072. The cubic root of 730641670 is about 900.6750778687.

The spelling of 730641670 in words is "seven hundred thirty million, six hundred forty-one thousand, six hundred seventy".