92968721 has 4 divisors (see below), whose sum is σ = 95967744. Its totient is φ = 89969700.

The previous prime is 92968663. The next prime is 92968739. The reversal of 92968721 is 12786929.

It is a happy number.

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: 12786929 = 2239 ⋅5711.

It is a cyclic number.

It is not a de Polignac number, because 92968721 - 2⁶ = 92968657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (92968781) 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, 1499465 + ... + 1499526.

It is an arithmetic number, because the mean of its divisors is an integer number (23991936).

Almost surely, 2^92968721 is an apocalyptic number.

It is an amenable number.

92968721 is a deficient number, since it is larger than the sum of its proper divisors (2999023).

92968721 is a wasteful number, since it uses less digits than its factorization.

92968721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999022.

The product of its digits is 108864, while the sum is 44.

The square root of 92968721 is about 9642.0288840057. The cubic root of 92968721 is about 453.0146902373.

The spelling of 92968721 in words is "ninety-two million, nine hundred sixty-eight thousand, seven hundred twenty-one".