95709721 has 4 divisors (see below), whose sum is σ = 96657444. Its totient is φ = 94762000.

The previous prime is 95709673. The next prime is 95709743. The reversal of 95709721 is 12790759.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12790759 = 1453 ⋅8803.

It can be written as a sum of positive squares in 2 ways, for example, as 77528025 + 18181696 = 8805^2 + 4264^2 .

It is a cyclic number.

It is not a de Polignac number, because 95709721 - 2¹⁵ = 95676953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (95709791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473710 + ... + 473911.

It is an arithmetic number, because the mean of its divisors is an integer number (24164361).

Almost surely, 2^95709721 is an apocalyptic number.

It is an amenable number.

95709721 is a deficient number, since it is larger than the sum of its proper divisors (947723).

95709721 is a wasteful number, since it uses less digits than its factorization.

95709721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947722.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 95709721 is about 9783.1345181389. The cubic root of 95709721 is about 457.4237220417.

It can be divided in two parts, 9570 and 9721, that added together give a palindrome (19291).

The spelling of 95709721 in words is "ninety-five million, seven hundred nine thousand, seven hundred twenty-one".