730502 has 4 divisors (see below), whose sum is σ = 1095756. Its totient is φ = 365250.

The previous prime is 730487. The next prime is 730537. The reversal of 730502 is 205037.

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

It is a congruent number.

It is an unprimeable number.

730502 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182624 + ... + 182627.

It is an arithmetic number, because the mean of its divisors is an integer number (273939).

2⁷³⁰⁵⁰² is an apocalyptic number.

730502 is a deficient number, since it is larger than the sum of its proper divisors (365254).

730502 is a wasteful number, since it uses less digits than its factorization.

730502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365253.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 730502 is about 854.6940973237. The cubic root of 730502 is about 90.0617682974.

Adding to 730502 its reverse (205037), we get a palindrome (935539).

The spelling of 730502 in words is "seven hundred thirty thousand, five hundred two".