76540223 has 2 divisors, whose sum is σ = 76540224. Its totient is φ = 76540222.

The previous prime is 76540207. The next prime is 76540229. The reversal of 76540223 is 32204567.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76540223 - 2⁴ = 76540207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76540229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38270111 + 38270112.

It is an arithmetic number, because the mean of its divisors is an integer number (38270112).

Almost surely, 2^76540223 is an apocalyptic number.

76540223 is a deficient number, since it is larger than the sum of its proper divisors (1).

76540223 is an equidigital number, since it uses as much as digits as its factorization.

76540223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 76540223 is about 8748.7269359605. The cubic root of 76540223 is about 424.5836254270.

The spelling of 76540223 in words is "seventy-six million, five hundred forty thousand, two hundred twenty-three".