76043668 has 6 divisors (see below), whose sum is σ = 133076426. Its totient is φ = 38021832.

The previous prime is 76043657. The next prime is 76043683. The reversal of 76043668 is 86634067.

It can be written as a sum of positive squares in only one way, i.e., 75550864 + 492804 = 8692^2 + 702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76043668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9505455 + ... + 9505462.

Almost surely, 2^76043668 is an apocalyptic number.

It is an amenable number.

76043668 is a deficient number, since it is larger than the sum of its proper divisors (57032758).

76043668 is a wasteful number, since it uses less digits than its factorization.

76043668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19010921 (or 19010919 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 76043668 is about 8720.3020589886. The cubic root of 76043668 is about 423.6634700610.

The spelling of 76043668 in words is "seventy-six million, forty-three thousand, six hundred sixty-eight".