74173768 has 8 divisors (see below), whose sum is σ = 139075830. Its totient is φ = 37086880.

The previous prime is 74173751. The next prime is 74173823. The reversal of 74173768 is 86737147.

It can be written as a sum of positive squares in only one way, i.e., 46485124 + 27688644 = 6818^2 + 5262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4635853 + ... + 4635868.

Almost surely, 2^74173768 is an apocalyptic number.

It is an amenable number.

74173768 is a deficient number, since it is larger than the sum of its proper divisors (64902062).

74173768 is a wasteful number, since it uses less digits than its factorization.

74173768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271727 (or 9271723 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 74173768 is about 8612.4194045576. The cubic root of 74173768 is about 420.1620085503.

The spelling of 74173768 in words is "seventy-four million, one hundred seventy-three thousand, seven hundred sixty-eight".