730380533 has 4 divisors (see below), whose sum is σ = 731015148. Its totient is φ = 729745920.

The previous prime is 730380523. The next prime is 730380619. The reversal of 730380533 is 335083037.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 663680644 + 66699889 = 25762^2 + 8167^2 .

It is a cyclic number.

It is not a de Polignac number, because 730380533 - 2²⁶ = 663271669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 730380533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730380523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315578 + ... + 317883.

It is an arithmetic number, because the mean of its divisors is an integer number (182753787).

Almost surely, 2^730380533 is an apocalyptic number.

It is an amenable number.

730380533 is a deficient number, since it is larger than the sum of its proper divisors (634615).

730380533 is a wasteful number, since it uses less digits than its factorization.

730380533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634614.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 730380533 is about 27025.5533338357. The cubic root of 730380533 is about 900.5677623296.

The spelling of 730380533 in words is "seven hundred thirty million, three hundred eighty thousand, five hundred thirty-three".