76669633 has 4 divisors (see below), whose sum is σ = 76694868. Its totient is φ = 76644400.

The previous prime is 76669613. The next prime is 76669639. The reversal of 76669633 is 33696667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65157184 + 11512449 = 8072^2 + 3393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76669633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76669639) 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 3 ways as a sum of consecutive naturals, for example, 7318 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (19173717).

Almost surely, 2^76669633 is an apocalyptic number.

It is an amenable number.

76669633 is a deficient number, since it is larger than the sum of its proper divisors (25235).

76669633 is a wasteful number, since it uses less digits than its factorization.

76669633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25234.

The product of its digits is 734832, while the sum is 46.

The square root of 76669633 is about 8756.1197456408. The cubic root of 76669633 is about 424.8227782439.

The spelling of 76669633 in words is "seventy-six million, six hundred sixty-nine thousand, six hundred thirty-three".