730306133 has 8 divisors (see below), whose sum is σ = 745767000. Its totient is φ = 714907648.

The previous prime is 730306117. The next prime is 730306141. The reversal of 730306133 is 331603037.

It can be written as a sum of positive squares in 4 ways, for example, as 455310244 + 274995889 = 21338^2 + 16583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730306133 - 2⁴ = 730306117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730306183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8453 + ... + 39141.

It is an arithmetic number, because the mean of its divisors is an integer number (93220875).

Almost surely, 2^730306133 is an apocalyptic number.

It is an amenable number.

730306133 is a deficient number, since it is larger than the sum of its proper divisors (15460867).

730306133 is a wasteful number, since it uses less digits than its factorization.

730306133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31191.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 730306133 is about 27024.1768237258. The cubic root of 730306133 is about 900.5371826004.

The spelling of 730306133 in words is "seven hundred thirty million, three hundred six thousand, one hundred thirty-three".