75973609 has 8 divisors (see below), whose sum is σ = 81284480. Its totient is φ = 70794000.

The previous prime is 75973603. The next prime is 75973613. The reversal of 75973609 is 90637957.

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

It is not a de Polignac number, because 75973609 - 2⁷ = 75973481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75973603) by changing a digit.

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, 31617 + ... + 33934.

It is an arithmetic number, because the mean of its divisors is an integer number (10160560).

Almost surely, 2^75973609 is an apocalyptic number.

It is an amenable number.

75973609 is a deficient number, since it is larger than the sum of its proper divisors (5310871).

75973609 is a wasteful number, since it uses less digits than its factorization.

75973609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65631.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 75973609 is about 8716.2841279986. The cubic root of 75973609 is about 423.5333230912.

The spelling of 75973609 in words is "seventy-five million, nine hundred seventy-three thousand, six hundred nine".