9099072 has 42 divisors (see below), whose sum is σ = 26082498. Its totient is φ = 3032832.

The previous prime is 9099067. The next prime is 9099113. The reversal of 9099072 is 2709909.

It can be written as a sum of positive squares in only one way, i.e., 8433216 + 665856 = 2904^2 + 816^2 .

It is a super-2 number, since 2×9099072² = 165586222522368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7323 + ... + 8474.

Almost surely, 2^9099072 is an apocalyptic number.

It is an amenable number.

9099072 is an abundant number, since it is smaller than the sum of its proper divisors (16983426).

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

9099072 is a wasteful number, since it uses less digits than its factorization.

9099072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15815 (or 15802 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 9099072 is about 3016.4668073758. The cubic root of 9099072 is about 208.7688507724.

It can be divided in two parts, 909907 and 2, that added together give a palindrome (909909).

The spelling of 9099072 in words is "nine million, ninety-nine thousand, seventy-two".