730495 has 4 divisors (see below), whose sum is σ = 876600. Its totient is φ = 584392.

The previous prime is 730487. The next prime is 730537. The reversal of 730495 is 594037.

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

It is a cyclic number.

It is not a de Polignac number, because 730495 - 2³ = 730487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73045 + ... + 73054.

It is an arithmetic number, because the mean of its divisors is an integer number (219150).

2⁷³⁰⁴⁹⁵ is an apocalyptic number.

730495 is a deficient number, since it is larger than the sum of its proper divisors (146105).

730495 is a wasteful number, since it uses less digits than its factorization.

730495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146104.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 730495 is about 854.6900022815. The cubic root of 730495 is about 90.0614806257.

It can be divided in two parts, 730 and 495, that added together give a triangular number (1225 = T₄₉).

The spelling of 730495 in words is "seven hundred thirty thousand, four hundred ninety-five".