9072169092 has 54 divisors (see below), whose sum is σ = 26676502398. Its totient is φ = 2592047808.

The previous prime is 9072169087. The next prime is 9072169121. The reversal of 9072169092 is 2909612709.

It can be written as a sum of positive squares in only one way, i.e., 8018127936 + 1054041156 = 89544^2 + 32466^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2569713 + ... + 2573240.

Almost surely, 2^9072169092 is an apocalyptic number.

It is an amenable number.

9072169092 is an abundant number, since it is smaller than the sum of its proper divisors (17604333306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9072169092 is a wasteful number, since it uses less digits than its factorization.

9072169092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142977 (or 5142965 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 9072169092 is about 95247.9348437540. The cubic root of 9072169092 is about 2085.6289447062.

The spelling of 9072169092 in words is "nine billion, seventy-two million, one hundred sixty-nine thousand, ninety-two".