9072275481 has 12 divisors (see below), whose sum is σ = 13589746352. Its totient is φ = 6048183492.

The previous prime is 9072275449. The next prime is 9072275551. The reversal of 9072275481 is 1845722709.

It is a happy number.

It is not a de Polignac number, because 9072275481 - 2⁵ = 9072275449 is a prime.

It is a super-2 number, since 2×9072275481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9072275881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18666991 + ... + 18667476.

Almost surely, 2^9072275481 is an apocalyptic number.

It is an amenable number.

9072275481 is a deficient number, since it is larger than the sum of its proper divisors (4517470871).

9072275481 is an equidigital number, since it uses as much as digits as its factorization.

9072275481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37334482 (or 37334470 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 9072275481 is about 95248.4933266663. The cubic root of 9072275481 is about 2085.6370973729.

The spelling of 9072275481 in words is "nine billion, seventy-two million, two hundred seventy-five thousand, four hundred eighty-one".