76440113 has 12 divisors (see below), whose sum is σ = 80533020. Its totient is φ = 72501120.

The previous prime is 76440103. The next prime is 76440179. The reversal of 76440113 is 31104467.

It can be written as a sum of positive squares in 6 ways, for example, as 64 + 76440049 = 8^2 + 8743^2 .

It is a de Polignac number, because none of the positive numbers 2^k-76440113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76440103) 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 11 ways as a sum of consecutive naturals, for example, 61583 + ... + 62811.

It is an arithmetic number, because the mean of its divisors is an integer number (6711085).

Almost surely, 2^76440113 is an apocalyptic number.

It is an amenable number.

76440113 is a deficient number, since it is larger than the sum of its proper divisors (4092907).

76440113 is a wasteful number, since it uses less digits than its factorization.

76440113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 76440113 is about 8743.0036600701. The cubic root of 76440113 is about 424.3984347307.

The spelling of 76440113 in words is "seventy-six million, four hundred forty thousand, one hundred thirteen".