75685388 has 6 divisors (see below), whose sum is σ = 132449436. Its totient is φ = 37842692.

The previous prime is 75685339. The next prime is 75685391. The reversal of 75685388 is 88358657.

It is an unprimeable number.

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, 9460670 + ... + 9460677.

It is an arithmetic number, because the mean of its divisors is an integer number (22074906).

Almost surely, 2^75685388 is an apocalyptic number.

It is an amenable number.

75685388 is a deficient number, since it is larger than the sum of its proper divisors (56764048).

75685388 is a wasteful number, since it uses less digits than its factorization.

75685388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18921351 (or 18921349 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 75685388 is about 8699.7349384909. The cubic root of 75685388 is about 422.9970584031.

The spelling of 75685388 in words is "seventy-five million, six hundred eighty-five thousand, three hundred eighty-eight".