75227471 has 4 divisors (see below), whose sum is σ = 82066344. Its totient is φ = 68388600.

The previous prime is 75227459. The next prime is 75227473. The reversal of 75227471 is 17472257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17472257 = 11 ⋅1588387.

It is a cyclic number.

It is not a de Polignac number, because 75227471 - 2⁶ = 75227407 is a prime.

It is a super-3 number, since 3×75227471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75227473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419420 + ... + 3419441.

It is an arithmetic number, because the mean of its divisors is an integer number (20516586).

Almost surely, 2^75227471 is an apocalyptic number.

75227471 is a deficient number, since it is larger than the sum of its proper divisors (6838873).

75227471 is a wasteful number, since it uses less digits than its factorization.

75227471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838872.

The product of its digits is 27440, while the sum is 35.

The square root of 75227471 is about 8673.3771392693. The cubic root of 75227471 is about 422.1422500609.

The spelling of 75227471 in words is "seventy-five million, two hundred twenty-seven thousand, four hundred seventy-one".