9073241281 has 8 divisors (see below), whose sum is σ = 10108120680. Its totient is φ = 8086495872.

The previous prime is 9073241279. The next prime is 9073241299. The reversal of 9073241281 is 1821423709.

It can be written as a sum of positive squares in 4 ways, for example, as 40449600 + 9032791681 = 6360^2 + 95041^2 .

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

It is not a de Polignac number, because 9073241281 - 2¹ = 9073241279 is a prime.

It is a super-2 number, since 2×9073241281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9073241281.

It is not an unprimeable number, because it can be changed into a prime (9073241251) 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, 12033100 + ... + 12033853.

It is an arithmetic number, because the mean of its divisors is an integer number (1263515085).

Almost surely, 2^9073241281 is an apocalyptic number.

It is an amenable number.

9073241281 is a deficient number, since it is larger than the sum of its proper divisors (1034879399).

9073241281 is a wasteful number, since it uses less digits than its factorization.

9073241281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24066995.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 9073241281 is about 95253.5630882121. The cubic root of 9073241281 is about 2085.7111044155.

The spelling of 9073241281 in words is "nine billion, seventy-three million, two hundred forty-one thousand, two hundred eighty-one".