92748321 has 20 divisors (see below), whose sum is σ = 138823300. Its totient is φ = 61710336.

The previous prime is 92748317. The next prime is 92748347. The reversal of 92748321 is 12384729.

It can be written as a sum of positive squares in 2 ways, for example, as 27720225 + 65028096 = 5265^2 + 8064^2 .

It is not a de Polignac number, because 92748321 - 2² = 92748317 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 (92748391) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61545 + ... + 63033.

It is an arithmetic number, because the mean of its divisors is an integer number (6941165).

Almost surely, 2^92748321 is an apocalyptic number.

It is an amenable number.

92748321 is a deficient number, since it is larger than the sum of its proper divisors (46074979).

92748321 is a wasteful number, since it uses less digits than its factorization.

92748321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2261 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 92748321 is about 9630.5929723979. The cubic root of 92748321 is about 452.6564212023.

The spelling of 92748321 in words is "ninety-two million, seven hundred forty-eight thousand, three hundred twenty-one".