76481243 has 4 divisors (see below), whose sum is σ = 77449440. Its totient is φ = 75513048.

The previous prime is 76481239. The next prime is 76481281. The reversal of 76481243 is 34218467.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76481243 - 2² = 76481239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76481143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483980 + ... + 484137.

It is an arithmetic number, because the mean of its divisors is an integer number (19362360).

Almost surely, 2^76481243 is an apocalyptic number.

76481243 is a deficient number, since it is larger than the sum of its proper divisors (968197).

76481243 is an equidigital number, since it uses as much as digits as its factorization.

76481243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968196.

The product of its digits is 32256, while the sum is 35.

The square root of 76481243 is about 8745.3555102123. The cubic root of 76481243 is about 424.4745395275.

The spelling of 76481243 in words is "seventy-six million, four hundred eighty-one thousand, two hundred forty-three".