76576681 has 4 divisors (see below), whose sum is σ = 77035392. Its totient is φ = 76117972.

The previous prime is 76576663. The next prime is 76576691. The reversal of 76576681 is 18667567.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18667567 = 1237 ⋅15091.

It is a cyclic number.

It is not a de Polignac number, because 76576681 - 2⁵ = 76576649 is a prime.

It is a super-2 number, since 2×76576681² = 11727976145951522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76576601) 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 3 ways as a sum of consecutive naturals, for example, 229105 + ... + 229438.

It is an arithmetic number, because the mean of its divisors is an integer number (19258848).

Almost surely, 2^76576681 is an apocalyptic number.

It is an amenable number.

76576681 is a deficient number, since it is larger than the sum of its proper divisors (458711).

76576681 is a wasteful number, since it uses less digits than its factorization.

76576681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458710.

The product of its digits is 423360, while the sum is 46.

The square root of 76576681 is about 8750.8103053374. The cubic root of 76576681 is about 424.6510279513.

The spelling of 76576681 in words is "seventy-six million, five hundred seventy-six thousand, six hundred eighty-one".