75531323 has 8 divisors (see below), whose sum is σ = 91399392. Its totient is φ = 60932736.

The previous prime is 75531317. The next prime is 75531329. The reversal of 75531323 is 32313557.

It is an interprime number because it is at equal distance from previous prime (75531317) and next prime (75531329).

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

It is a cyclic number.

It is not a de Polignac number, because 75531323 - 2⁶ = 75531259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75531329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317240 + ... + 317477.

It is an arithmetic number, because the mean of its divisors is an integer number (11424924).

Almost surely, 2^75531323 is an apocalyptic number.

75531323 is a deficient number, since it is larger than the sum of its proper divisors (15868069).

75531323 is a wasteful number, since it uses less digits than its factorization.

75531323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634741.

The product of its digits is 9450, while the sum is 29.

The square root of 75531323 is about 8690.8758476922. The cubic root of 75531323 is about 422.7098461555.

The spelling of 75531323 in words is "seventy-five million, five hundred thirty-one thousand, three hundred twenty-three".