730290173 has 8 divisors (see below), whose sum is σ = 733421280. Its totient is φ = 727166160.

The previous prime is 730290163. The next prime is 730290179. The reversal of 730290173 is 371092037.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730290173 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 (730290179) 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, 309986 + ... + 312332.

It is an arithmetic number, because the mean of its divisors is an integer number (91677660).

Almost surely, 2^730290173 is an apocalyptic number.

It is an amenable number.

730290173 is a deficient number, since it is larger than the sum of its proper divisors (3131107).

730290173 is a wasteful number, since it uses less digits than its factorization.

730290173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 730290173 is about 27023.8815309718. The cubic root of 730290173 is about 900.5306224848.

The spelling of 730290173 in words is "seven hundred thirty million, two hundred ninety thousand, one hundred seventy-three".