7716230321 has 4 divisors (see below), whose sum is σ = 7719386112. Its totient is φ = 7713074532.

The previous prime is 7716230297. The next prime is 7716230329. The reversal of 7716230321 is 1230326177.

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 7716230321 - 2⁶ = 7716230257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7716230329) 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, 1574225 + ... + 1579118.

It is an arithmetic number, because the mean of its divisors is an integer number (1929846528).

Almost surely, 2^7716230321 is an apocalyptic number.

It is an amenable number.

7716230321 is a deficient number, since it is larger than the sum of its proper divisors (3155791).

7716230321 is a wasteful number, since it uses less digits than its factorization.

7716230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155790.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 7716230321 is about 87842.0760285184. The cubic root of 7716230321 is about 1976.0672815832.

Adding to 7716230321 its reverse (1230326177), we get a palindrome (8946556498).

The spelling of 7716230321 in words is "seven billion, seven hundred sixteen million, two hundred thirty thousand, three hundred twenty-one".