74756768 has 12 divisors (see below), whose sum is σ = 147177450. Its totient is φ = 37378368.

The previous prime is 74756767. The next prime is 74756771. The reversal of 74756768 is 86765747.

It can be written as a sum of positive squares in only one way, i.e., 52591504 + 22165264 = 7252^2 + 4708^2 .

It is not an unprimeable number, because it can be changed into a prime (74756767) 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 as a sum of consecutive naturals, namely, 1168043 + ... + 1168106.

Almost surely, 2^74756768 is an apocalyptic number.

It is an amenable number.

74756768 is a deficient number, since it is larger than the sum of its proper divisors (72420682).

74756768 is a wasteful number, since it uses less digits than its factorization.

74756768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336159 (or 2336151 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 50.

The square root of 74756768 is about 8646.1996275821. The cubic root of 74756768 is about 421.2599504557.

The spelling of 74756768 in words is "seventy-four million, seven hundred fifty-six thousand, seven hundred sixty-eight".