76667669 has 16 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 68779200.

The previous prime is 76667659. The next prime is 76667687. The reversal of 76667669 is 96676667.

It is a cyclic number.

It is not a de Polignac number, because 76667669 - 2¹⁶ = 76602133 is a prime.

It is a super-2 number, since 2×76667669² = 11755862939787122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76667669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76667639) 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, 109019 + ... + 109719.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2^76667669 is an apocalyptic number.

It is an amenable number.

76667669 is a deficient number, since it is larger than the sum of its proper divisors (8246251).

76667669 is a wasteful number, since it uses less digits than its factorization.

76667669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its digits is 3429216, while the sum is 53.

The square root of 76667669 is about 8756.0075947888. The cubic root of 76667669 is about 424.8191507362.

The spelling of 76667669 in words is "seventy-six million, six hundred sixty-seven thousand, six hundred sixty-nine".