76512261 has 16 divisors (see below), whose sum is σ = 116768384. Its totient is φ = 43654464.

The previous prime is 76512229. The next prime is 76512269. The reversal of 76512261 is 16221567.

It is not a de Polignac number, because 76512261 - 2⁵ = 76512229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76512269) 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 15 ways as a sum of consecutive naturals, for example, 13491 + ... + 18303.

It is an arithmetic number, because the mean of its divisors is an integer number (7298024).

Almost surely, 2^76512261 is an apocalyptic number.

It is an amenable number.

76512261 is a deficient number, since it is larger than the sum of its proper divisors (40256123).

76512261 is a wasteful number, since it uses less digits than its factorization.

76512261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580.

The product of its digits is 5040, while the sum is 30.

The square root of 76512261 is about 8747.1287289030. The cubic root of 76512261 is about 424.5319155639.

The spelling of 76512261 in words is "seventy-six million, five hundred twelve thousand, two hundred sixty-one".