76665633 has 8 divisors (see below), whose sum is σ = 111513696. Its totient is φ = 46464000.

The previous prime is 76665623. The next prime is 76665637. The reversal of 76665633 is 33656667.

It is a happy number.

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

It is not a de Polignac number, because 76665633 - 2⁸ = 76665377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76665637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161568 + ... + 1161633.

It is an arithmetic number, because the mean of its divisors is an integer number (13939212).

Almost surely, 2^76665633 is an apocalyptic number.

It is an amenable number.

76665633 is a deficient number, since it is larger than the sum of its proper divisors (34848063).

76665633 is a wasteful number, since it uses less digits than its factorization.

76665633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323215.

The product of its digits is 408240, while the sum is 42.

The square root of 76665633 is about 8755.8913309840. The cubic root of 76665633 is about 424.8153901791.

The spelling of 76665633 in words is "seventy-six million, six hundred sixty-five thousand, six hundred thirty-three".