730891365 has 32 divisors (see below), whose sum is σ = 1181730816. Its totient is φ = 385730880.

The previous prime is 730891349. The next prime is 730891393. The reversal of 730891365 is 563198037.

It is not a de Polignac number, because 730891365 - 2⁴ = 730891349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708400 + ... + 709430.

It is an arithmetic number, because the mean of its divisors is an integer number (36929088).

Almost surely, 2^730891365 is an apocalyptic number.

It is an amenable number.

730891365 is a deficient number, since it is larger than the sum of its proper divisors (450839451).

730891365 is a wasteful number, since it uses less digits than its factorization.

730891365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 730891365 is about 27035.0025892361. The cubic root of 730891365 is about 900.7776673498. Note that the first 3 decimals are identical.

The spelling of 730891365 in words is "seven hundred thirty million, eight hundred ninety-one thousand, three hundred sixty-five".