96709721 has 2 divisors, whose sum is σ = 96709722. Its totient is φ = 96709720.

The previous prime is 96709681. The next prime is 96709729. The reversal of 96709721 is 12790769.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59059225 + 37650496 = 7685^2 + 6136^2 .

It is a cyclic number.

It is not a de Polignac number, because 96709721 - 2¹⁰ = 96708697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (96709729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48354860 + 48354861.

It is an arithmetic number, because the mean of its divisors is an integer number (48354861).

Almost surely, 2^96709721 is an apocalyptic number.

It is an amenable number.

96709721 is a deficient number, since it is larger than the sum of its proper divisors (1).

96709721 is an equidigital number, since it uses as much as digits as its factorization.

96709721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 96709721 is about 9834.1100766668. The cubic root of 96709721 is about 459.0112995859.

It can be divided in two parts, 9670 and 9721, that added together give a palindrome (19391).

The spelling of 96709721 in words is "ninety-six million, seven hundred nine thousand, seven hundred twenty-one".