72090112 has 40 divisors (see below), whose sum is σ = 145544256. Its totient is φ = 35668992.

The previous prime is 72090103. The next prime is 72090121. The reversal of 72090112 is 21109027.

It is an interprime number because it is at equal distance from previous prime (72090103) and next prime (72090121).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52053 + ... + 53419.

Almost surely, 2^72090112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72090112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72772128).

72090112 is an abundant number, since it is smaller than the sum of its proper divisors (73454144).

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

72090112 is a wasteful number, since it uses less digits than its factorization.

72090112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 72090112 is about 8490.5896143907. The cubic root of 72090112 is about 416.1902482867.

Adding to 72090112 its reverse (21109027), we get a palindrome (93199139).

The spelling of 72090112 in words is "seventy-two million, ninety thousand, one hundred twelve".