75227445 has 24 divisors (see below), whose sum is σ = 131269632. Its totient is φ = 39852000.

The previous prime is 75227437. The next prime is 75227459. The reversal of 75227445 is 54472257.

It is a happy number.

It is not a de Polignac number, because 75227445 - 2³ = 75227437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1260 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (5469568).

Almost surely, 2^75227445 is an apocalyptic number.

It is an amenable number.

75227445 is a deficient number, since it is larger than the sum of its proper divisors (56042187).

75227445 is a wasteful number, since it uses less digits than its factorization.

75227445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233 (or 11230 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 75227445 is about 8673.3756404297. The cubic root of 75227445 is about 422.1422014275.

The spelling of 75227445 in words is "seventy-five million, two hundred twenty-seven thousand, four hundred forty-five".