76659649 has 8 divisors (see below), whose sum is σ = 83695392. Its totient is φ = 69635040.

The previous prime is 76659637. The next prime is 76659659. The reversal of 76659649 is 94695667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76659649 - 2⁵ = 76659617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76659596 and 76659605.

It is not an unprimeable number, because it can be changed into a prime (76659629) 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 7 ways as a sum of consecutive naturals, for example, 19222 + ... + 22864.

It is an arithmetic number, because the mean of its divisors is an integer number (10461924).

Almost surely, 2^76659649 is an apocalyptic number.

It is an amenable number.

76659649 is a deficient number, since it is larger than the sum of its proper divisors (7035743).

76659649 is a wasteful number, since it uses less digits than its factorization.

76659649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567.

The product of its digits is 2449440, while the sum is 52.

The square root of 76659649 is about 8755.5496115321. The cubic root of 76659649 is about 424.8043371542.

The spelling of 76659649 in words is "seventy-six million, six hundred fifty-nine thousand, six hundred forty-nine".