76640127 has 16 divisors (see below), whose sum is σ = 107965440. Its totient is φ = 48279392.

The previous prime is 76640119. The next prime is 76640171. The reversal of 76640127 is 72104667.

It is a cyclic number.

It is not a de Polignac number, because 76640127 - 2³ = 76640119 is a prime.

It is a super-2 number, since 2×76640127² = 11747418133152258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76640197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5283 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (6747840).

Almost surely, 2^76640127 is an apocalyptic number.

76640127 is a deficient number, since it is larger than the sum of its proper divisors (31325313).

76640127 is a wasteful number, since it uses less digits than its factorization.

76640127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 76640127 is about 8754.4347047654. The cubic root of 76640127 is about 424.7682741387.

It can be divided in two parts, 76640 and 127, that added together give a palindrome (76767).

The spelling of 76640127 in words is "seventy-six million, six hundred forty thousand, one hundred twenty-seven".