75309922 has 8 divisors (see below), whose sum is σ = 113778000. Its totient is φ = 37383924.

The previous prime is 75309919. The next prime is 75309947. The reversal of 75309922 is 22990357.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 135172 + ... + 135727.

It is an arithmetic number, because the mean of its divisors is an integer number (14222250).

Almost surely, 2^75309922 is an apocalyptic number.

75309922 is a deficient number, since it is larger than the sum of its proper divisors (38468078).

75309922 is a wasteful number, since it uses less digits than its factorization.

75309922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271040.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 75309922 is about 8678.1289458039. The cubic root of 75309922 is about 422.2964195500.

The spelling of 75309922 in words is "seventy-five million, three hundred nine thousand, nine hundred twenty-two".