76223905 has 4 divisors (see below), whose sum is σ = 91468692. Its totient is φ = 60979120.

The previous prime is 76223893. The next prime is 76223921. The reversal of 76223905 is 50932267.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50932267 = 277 ⋅183871.

It can be written as a sum of positive squares in 2 ways, for example, as 16378209 + 59845696 = 4047^2 + 7736^2 .

It is not a de Polignac number, because 76223905 - 2²³ = 67835297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 7622386 + ... + 7622395.

It is an arithmetic number, because the mean of its divisors is an integer number (22867173).

Almost surely, 2^76223905 is an apocalyptic number.

It is an amenable number.

76223905 is a deficient number, since it is larger than the sum of its proper divisors (15244787).

76223905 is a wasteful number, since it uses less digits than its factorization.

76223905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244786.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 76223905 is about 8730.6302750718. The cubic root of 76223905 is about 423.9979251856.

The spelling of 76223905 in words is "seventy-six million, two hundred twenty-three thousand, nine hundred five".