75840712 has 16 divisors (see below), whose sum is σ = 143055360. Its totient is φ = 37692624.

The previous prime is 75840671. The next prime is 75840719. The reversal of 75840712 is 21704857.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75840719) 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 in 3 ways as a sum of consecutive naturals, for example, 27048 + ... + 29719.

It is an arithmetic number, because the mean of its divisors is an integer number (8940960).

Almost surely, 2^75840712 is an apocalyptic number.

It is an amenable number.

75840712 is a deficient number, since it is larger than the sum of its proper divisors (67214648).

75840712 is a wasteful number, since it uses less digits than its factorization.

75840712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56940 (or 56936 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 75840712 is about 8708.6573017888. The cubic root of 75840712 is about 423.2862234279.

The spelling of 75840712 in words is "seventy-five million, eight hundred forty thousand, seven hundred twelve".