76645113 has 16 divisors (see below), whose sum is σ = 108068352. Its totient is φ = 48240000.

The previous prime is 76645111. The next prime is 76645123. The reversal of 76645113 is 31154667.

It is not a de Polignac number, because 76645113 - 2¹ = 76645111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76645111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6238 + ... + 13863.

It is an arithmetic number, because the mean of its divisors is an integer number (6754272).

Almost surely, 2^76645113 is an apocalyptic number.

It is an amenable number.

76645113 is a deficient number, since it is larger than the sum of its proper divisors (31423239).

76645113 is a wasteful number, since it uses less digits than its factorization.

76645113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176.

The product of its digits is 15120, while the sum is 33.

The square root of 76645113 is about 8754.7194700915. The cubic root of 76645113 is about 424.7774853652. Note that the first 3 decimals are identical.

The spelling of 76645113 in words is "seventy-six million, six hundred forty-five thousand, one hundred thirteen".