76651129 has 4 divisors (see below), whose sum is σ = 76673380. Its totient is φ = 76628880.

The previous prime is 76651123. The next prime is 76651139. The reversal of 76651129 is 92115667.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68095504 + 8555625 = 8252^2 + 2925^2 .

It is a cyclic number.

It is not a de Polignac number, because 76651129 - 2⁵ = 76651097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76651123) 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, 4734 + ... + 13255.

It is an arithmetic number, because the mean of its divisors is an integer number (19168345).

Almost surely, 2^76651129 is an apocalyptic number.

It is an amenable number.

76651129 is a deficient number, since it is larger than the sum of its proper divisors (22251).

76651129 is a wasteful number, since it uses less digits than its factorization.

76651129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22250.

The product of its digits is 22680, while the sum is 37.

The square root of 76651129 is about 8755.0630494589. The cubic root of 76651129 is about 424.7885989004.

The spelling of 76651129 in words is "seventy-six million, six hundred fifty-one thousand, one hundred twenty-nine".