76130765 has 4 divisors (see below), whose sum is σ = 91356924. Its totient is φ = 60904608.

The previous prime is 76130753. The next prime is 76130773. The reversal of 76130765 is 56703167.

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 38700841 + 37429924 = 6221^2 + 6118^2 .

It is a cyclic number.

It is not a de Polignac number, because 76130765 - 2⁴ = 76130749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 7613072 + ... + 7613081.

It is an arithmetic number, because the mean of its divisors is an integer number (22839231).

Almost surely, 2^76130765 is an apocalyptic number.

It is an amenable number.

76130765 is a deficient number, since it is larger than the sum of its proper divisors (15226159).

76130765 is a wasteful number, since it uses less digits than its factorization.

76130765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226158.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 76130765 is about 8725.2945509020. The cubic root of 76130765 is about 423.8251567137.

The spelling of 76130765 in words is "seventy-six million, one hundred thirty thousand, seven hundred sixty-five".