74987768 has 16 divisors (see below), whose sum is σ = 140725080. Its totient is φ = 37461088.

The previous prime is 74987767. The next prime is 74987771. The reversal of 74987768 is 86778947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74987767) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 7571 + ... + 14397.

Almost surely, 2^74987768 is an apocalyptic number.

It is an amenable number.

74987768 is a deficient number, since it is larger than the sum of its proper divisors (65737312).

74987768 is a wasteful number, since it uses less digits than its factorization.

74987768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206 (or 8202 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 56.

The square root of 74987768 is about 8659.5477941980. The cubic root of 74987768 is about 421.6934050302.

The spelling of 74987768 in words is "seventy-four million, nine hundred eighty-seven thousand, seven hundred sixty-eight".