76823233 has 4 divisors (see below), whose sum is σ = 79472340. Its totient is φ = 74174128.

The previous prime is 76823191. The next prime is 76823249. The reversal of 76823233 is 33232867.

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 53465344 + 23357889 = 7312^2 + 4833^2 .

It is a cyclic number.

It is not a de Polignac number, because 76823233 - 2²¹ = 74726081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76823273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324510 + ... + 1324567.

It is an arithmetic number, because the mean of its divisors is an integer number (19868085).

Almost surely, 2^76823233 is an apocalyptic number.

It is an amenable number.

76823233 is a deficient number, since it is larger than the sum of its proper divisors (2649107).

76823233 is a wasteful number, since it uses less digits than its factorization.

76823233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649106.

The product of its digits is 36288, while the sum is 34.

The square root of 76823233 is about 8764.8863654927. The cubic root of 76823233 is about 425.1062857588.

The spelling of 76823233 in words is "seventy-six million, eight hundred twenty-three thousand, two hundred thirty-three".