76672771 has 16 divisors (see below), whose sum is σ = 97666560. Its totient is φ = 58596480.

The previous prime is 76672727. The next prime is 76672787. The reversal of 76672771 is 17727667.

It is a cyclic number.

It is not a de Polignac number, because 76672771 - 2¹¹ = 76670723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76672711) 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, 14695 + ... + 19216.

It is an arithmetic number, because the mean of its divisors is an integer number (6104160).

Almost surely, 2^76672771 is an apocalyptic number.

76672771 is a deficient number, since it is larger than the sum of its proper divisors (20993789).

76672771 is a wasteful number, since it uses less digits than its factorization.

76672771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33954.

The product of its digits is 172872, while the sum is 43.

The square root of 76672771 is about 8756.2989327683. The cubic root of 76672771 is about 424.8285740010.

It can be divided in two parts, 766 and 72771, that added together give a palindrome (73537).

The spelling of 76672771 in words is "seventy-six million, six hundred seventy-two thousand, seven hundred seventy-one".