968248721 has 16 divisors (see below), whose sum is σ = 1122897600. Its totient is φ = 825624000.

The previous prime is 968248703. The next prime is 968248747. The reversal of 968248721 is 127842869.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 968248721 - 2⁶ = 968248657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (968241721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1826 + ... + 44043.

It is an arithmetic number, because the mean of its divisors is an integer number (70181100).

Almost surely, 2^968248721 is an apocalyptic number.

It is an amenable number.

968248721 is a deficient number, since it is larger than the sum of its proper divisors (154648879).

968248721 is a wasteful number, since it uses less digits than its factorization.

968248721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46000.

The product of its digits is 387072, while the sum is 47.

The square root of 968248721 is about 31116.6952133417. The cubic root of 968248721 is about 989.3022056240.

The spelling of 968248721 in words is "nine hundred sixty-eight million, two hundred forty-eight thousand, seven hundred twenty-one".