93720961 has 8 divisors (see below), whose sum is σ = 96099840. Its totient is φ = 91358208.

The previous prime is 93720943. The next prime is 93720971. The reversal of 93720961 is 16902739.

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 93720961 - 2¹⁵ = 93688193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93720961.

It is not an unprimeable number, because it can be changed into a prime (93720911) 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, 8200 + ... + 15958.

It is an arithmetic number, because the mean of its divisors is an integer number (12012480).

Almost surely, 2^93720961 is an apocalyptic number.

It is an amenable number.

93720961 is a deficient number, since it is larger than the sum of its proper divisors (2378879).

93720961 is a wasteful number, since it uses less digits than its factorization.

93720961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 93720961 is about 9680.9586818662. The cubic root of 93720961 is about 454.2332390400.

The spelling of 93720961 in words is "ninety-three million, seven hundred twenty thousand, nine hundred sixty-one".