75243471 has 8 divisors (see below), whose sum is σ = 101594880. Its totient is φ = 49527192.

The previous prime is 75243461. The next prime is 75243491. The reversal of 75243471 is 17434257.

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

It is not a de Polignac number, because 75243471 - 2⁶ = 75243407 is a prime.

It is a super-3 number, since 3×75243471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75243431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158505 + ... + 158978.

It is an arithmetic number, because the mean of its divisors is an integer number (12699360).

Almost surely, 2^75243471 is an apocalyptic number.

75243471 is a deficient number, since it is larger than the sum of its proper divisors (26351409).

75243471 is a wasteful number, since it uses less digits than its factorization.

75243471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317565.

The product of its digits is 23520, while the sum is 33.

The square root of 75243471 is about 8674.2994529818. The cubic root of 75243471 is about 422.1721761730.

The spelling of 75243471 in words is "seventy-five million, two hundred forty-three thousand, four hundred seventy-one".