76650771 has 16 divisors (see below), whose sum is σ = 105412608. Its totient is φ = 49512000.

The previous prime is 76650757. The next prime is 76650781. The reversal of 76650771 is 17705667.

76650771 is a nontrivial binomial coefficient, being equal to C(12382, 2).

It is not a de Polignac number, because 76650771 - 2¹⁰ = 76649747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76650701) 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 15 ways as a sum of consecutive naturals, for example, 16510 + ... + 20636.

It is an arithmetic number, because the mean of its divisors is an integer number (6588288).

Almost surely, 2^76650771 is an apocalyptic number.

76650771 is the 12381-st triangular number and also the 6191-st hexagonal number.

76650771 is a deficient number, since it is larger than the sum of its proper divisors (28761837).

76650771 is a wasteful number, since it uses less digits than its factorization.

76650771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 76650771 is about 8755.0426041225. The cubic root of 76650771 is about 424.7879375727.

It can be divided in two parts, 76650 and 771, that added together give a triangular number (77421 = T₃₉₃).

The spelling of 76650771 in words is "seventy-six million, six hundred fifty thousand, seven hundred seventy-one".