92744921 has 4 divisors (see below), whose sum is σ = 92764644. Its totient is φ = 92725200.

The previous prime is 92744917. The next prime is 92744923. The reversal of 92744921 is 12944729.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59521225 + 33223696 = 7715^2 + 5764^2 .

It is a cyclic number.

It is not a de Polignac number, because 92744921 - 2² = 92744917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92744923) 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, 1751 + ... + 13731.

It is an arithmetic number, because the mean of its divisors is an integer number (23191161).

Almost surely, 2^92744921 is an apocalyptic number.

It is an amenable number.

92744921 is a deficient number, since it is larger than the sum of its proper divisors (19723).

92744921 is a wasteful number, since it uses less digits than its factorization.

92744921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19722.

The product of its digits is 36288, while the sum is 38.

The square root of 92744921 is about 9630.4164499776. The cubic root of 92744921 is about 452.6508899229.

The spelling of 92744921 in words is "ninety-two million, seven hundred forty-four thousand, nine hundred twenty-one".