74768686 has 16 divisors (see below), whose sum is σ = 125001360. Its totient is φ = 33333120.

The previous prime is 74768651. The next prime is 74768719. The reversal of 74768686 is 68686747.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 57225 + ... + 58516.

It is an arithmetic number, because the mean of its divisors is an integer number (7812585).

Almost surely, 2^74768686 is an apocalyptic number.

74768686 is a deficient number, since it is larger than the sum of its proper divisors (50232674).

74768686 is a wasteful number, since it uses less digits than its factorization.

74768686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115779.

The product of its digits is 2709504, while the sum is 52.

The square root of 74768686 is about 8646.8888046511. Note that the first 4 decimals coincide. The cubic root of 74768686 is about 421.2823355385.

The spelling of 74768686 in words is "seventy-four million, seven hundred sixty-eight thousand, six hundred eighty-six".