730489017 has 4 divisors (see below), whose sum is σ = 973985360. Its totient is φ = 486992676.

The previous prime is 730489003. The next prime is 730489051. The reversal of 730489017 is 710984037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 730489017 - 2⁸ = 730488761 is a prime.

It is a super-2 number, since 2×730489017² = 1067228407915252578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730489057) 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, 121748167 + ... + 121748172.

It is an arithmetic number, because the mean of its divisors is an integer number (243496340).

Almost surely, 2^730489017 is an apocalyptic number.

It is an amenable number.

730489017 is a deficient number, since it is larger than the sum of its proper divisors (243496343).

730489017 is a wasteful number, since it uses less digits than its factorization.

730489017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243496342.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 730489017 is about 27027.5603227520. The cubic root of 730489017 is about 900.6123474703.

The spelling of 730489017 in words is "seven hundred thirty million, four hundred eighty-nine thousand, seventeen".