75821996 has 6 divisors (see below), whose sum is σ = 132688500. Its totient is φ = 37910996.

The previous prime is 75821987. The next prime is 75822011. The reversal of 75821996 is 69912857.

It is a self number, because there is not a number n which added to its sum of digits gives 75821996.

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, 9477746 + ... + 9477753.

It is an arithmetic number, because the mean of its divisors is an integer number (22114750).

Almost surely, 2^75821996 is an apocalyptic number.

It is an amenable number.

75821996 is a deficient number, since it is larger than the sum of its proper divisors (56866504).

75821996 is a wasteful number, since it uses less digits than its factorization.

75821996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18955503 (or 18955501 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 75821996 is about 8707.5826725906. The cubic root of 75821996 is about 423.2514009844.

The spelling of 75821996 in words is "seventy-five million, eight hundred twenty-one thousand, nine hundred ninety-six".