730608673 has 4 divisors (see below), whose sum is σ = 740899008. Its totient is φ = 720318340.

The previous prime is 730608647. The next prime is 730608679. The reversal of 730608673 is 376806037.

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 a cyclic number.

It is not a de Polignac number, because 730608673 - 2⁹ = 730608161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730608679) 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, 5145061 + ... + 5145202.

It is an arithmetic number, because the mean of its divisors is an integer number (185224752).

Almost surely, 2^730608673 is an apocalyptic number.

It is an amenable number.

730608673 is a deficient number, since it is larger than the sum of its proper divisors (10290335).

730608673 is a wasteful number, since it uses less digits than its factorization.

730608673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10290334.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 730608673 is about 27029.7738244329. The cubic root of 730608673 is about 900.6615190002.

The spelling of 730608673 in words is "seven hundred thirty million, six hundred eight thousand, six hundred seventy-three".