7168284721 has 8 divisors (see below), whose sum is σ = 7968713984. Its totient is φ = 6403430160.

The previous prime is 7168284701. The next prime is 7168284727. The reversal of 7168284721 is 1274828617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7168284721 - 2⁷ = 7168284593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7168284727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8893251 + ... + 8894056.

It is an arithmetic number, because the mean of its divisors is an integer number (996089248).

Almost surely, 2^7168284721 is an apocalyptic number.

It is an amenable number.

7168284721 is a deficient number, since it is larger than the sum of its proper divisors (800429263).

7168284721 is a wasteful number, since it uses less digits than its factorization.

7168284721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17787351.

The product of its digits is 301056, while the sum is 46.

The square root of 7168284721 is about 84665.7234127247. The cubic root of 7168284721 is about 1928.1393399499.

The spelling of 7168284721 in words is "seven billion, one hundred sixty-eight million, two hundred eighty-four thousand, seven hundred twenty-one".