75224581441 has 3 divisors (see below), whose sum is σ = 75224855713. Its totient is φ = 75224307170.

The previous prime is 75224581417. The next prime is 75224581457. The reversal of 75224581441 is 14418542257.

The square root of 75224581441 is 274271.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 75224581441 - 2¹⁷ = 75224450369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75224582441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 137136 + ... + 411406.

Almost surely, 2^75224581441 is an apocalyptic number.

75224581441 is the 274271-st square number.

75224581441 is the 137136-th centered octagonal number.

It is an amenable number.

75224581441 is a deficient number, since it is larger than the sum of its proper divisors (274272).

75224581441 is an frugal number, since it uses more digits than its factorization.

75224581441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548542 (or 274271 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The spelling of 75224581441 in words is "seventy-five billion, two hundred twenty-four million, five hundred eighty-one thousand, four hundred forty-one".