96606721 has 4 divisors (see below), whose sum is σ = 96862000. Its totient is φ = 96351444.

The previous prime is 96606709. The next prime is 96606749. The reversal of 96606721 is 12760669.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12760669 = 83 ⋅153743.

It is a cyclic number.

It is not a de Polignac number, because 96606721 - 2¹⁷ = 96475649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96606791) 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, 127071 + ... + 127828.

It is an arithmetic number, because the mean of its divisors is an integer number (24215500).

Almost surely, 2^96606721 is an apocalyptic number.

It is an amenable number.

96606721 is a deficient number, since it is larger than the sum of its proper divisors (255279).

96606721 is a wasteful number, since it uses less digits than its factorization.

96606721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255278.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 96606721 is about 9828.8718070794. The cubic root of 96606721 is about 458.8482861276.

The spelling of 96606721 in words is "ninety-six million, six hundred six thousand, seven hundred twenty-one".