76445243 has 12 divisors (see below), whose sum is σ = 94158072. Its totient is φ = 61669440.

The previous prime is 76445233. The next prime is 76445249. The reversal of 76445243 is 34254467.

It is not a de Polignac number, because 76445243 - 2²⁰ = 75396667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76445249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45053 + ... + 46718.

It is an arithmetic number, because the mean of its divisors is an integer number (7846506).

Almost surely, 2^76445243 is an apocalyptic number.

76445243 is a deficient number, since it is larger than the sum of its proper divisors (17712829).

76445243 is a wasteful number, since it uses less digits than its factorization.

76445243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91802 (or 91795 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 76445243 is about 8743.2970325844. The cubic root of 76445243 is about 424.4079285038.

The spelling of 76445243 in words is "seventy-six million, four hundred forty-five thousand, two hundred forty-three".