730012 has 6 divisors (see below), whose sum is σ = 1277528. Its totient is φ = 365004.

The previous prime is 730003. The next prime is 730021. The reversal of 730012 is 210037.

730012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (730003) and next prime (730021).

It is a junction number, because it is equal to n+sod(n) for n = 729974 and 730001.

It is a congruent number.

It is an unprimeable number.

730012 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, 91248 + ... + 91255.

2⁷³⁰⁰¹² is an apocalyptic number.

It is an amenable number.

730012 is a deficient number, since it is larger than the sum of its proper divisors (547516).

730012 is a wasteful number, since it uses less digits than its factorization.

730012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182507 (or 182505 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 730012 is about 854.4073969717. The cubic root of 730012 is about 90.0416268343.

Adding to 730012 its reverse (210037), we get a palindrome (940049).

The spelling of 730012 in words is "seven hundred thirty thousand, twelve".