712330321 has 4 divisors (see below), whose sum is σ = 716310000. Its totient is φ = 708350644.

The previous prime is 712330271. The next prime is 712330331. The reversal of 712330321 is 123033217.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 712330321 - 2¹¹ = 712328273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 712330292 and 712330301.

It is not an unprimeable number, because it can be changed into a prime (712330331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989571 + ... + 1989928.

It is an arithmetic number, because the mean of its divisors is an integer number (179077500).

Almost surely, 2^712330321 is an apocalyptic number.

It is an amenable number.

712330321 is a deficient number, since it is larger than the sum of its proper divisors (3979679).

712330321 is a wasteful number, since it uses less digits than its factorization.

712330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979678.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 712330321 is about 26689.5170619477. The cubic root of 712330321 is about 893.0870875676.

Adding to 712330321 its reverse (123033217), we get a palindrome (835363538).

The spelling of 712330321 in words is "seven hundred twelve million, three hundred thirty thousand, three hundred twenty-one".