730820866 has 16 divisors (see below), whose sum is σ = 1105525728. Its totient is φ = 362325600.

The previous prime is 730820843. The next prime is 730820873. The reversal of 730820866 is 668028037.

It is a happy 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, 115501 + ... + 121663.

It is an arithmetic number, because the mean of its divisors is an integer number (69095358).

Almost surely, 2^730820866 is an apocalyptic number.

730820866 is a deficient number, since it is larger than the sum of its proper divisors (374704862).

730820866 is a wasteful number, since it uses less digits than its factorization.

730820866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 730820866 is about 27033.6987110532. The cubic root of 730820866 is about 900.7487045565.

The spelling of 730820866 in words is "seven hundred thirty million, eight hundred twenty thousand, eight hundred sixty-six".