730212 has 24 divisors (see below), whose sum is σ = 1947456. Its totient is φ = 208608.

The previous prime is 730199. The next prime is 730217. The reversal of 730212 is 212037.

It is a junction number, because it is equal to n+sod(n) for n = 730191 and 730200.

It is not an unprimeable number, because it can be changed into a prime (730217) by changing a digit.

730212 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 in 7 ways as a sum of consecutive naturals, for example, 4263 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (81144).

2⁷³⁰²¹² is an apocalyptic number.

It is an amenable number.

730212 is an abundant number, since it is smaller than the sum of its proper divisors (1217244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730212 is a wasteful number, since it uses less digits than its factorization.

730212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707 (or 8705 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 730212 is about 854.5244291417. The cubic root of 730212 is about 90.0498489279.

Adding to 730212 its reverse (212037), we get a palindrome (942249).

The spelling of 730212 in words is "seven hundred thirty thousand, two hundred twelve".