7287112 has 16 divisors (see below), whose sum is σ = 15615360. Its totient is φ = 3123024.

The previous prime is 7287107. The next prime is 7287131. The reversal of 7287112 is 2117827.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65008 + ... + 65119.

It is an arithmetic number, because the mean of its divisors is an integer number (975960).

Almost surely, 2^7287112 is an apocalyptic number.

It is an amenable number.

7287112 is an abundant number, since it is smaller than the sum of its proper divisors (8328248).

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

7287112 is a wasteful number, since it uses less digits than its factorization.

7287112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130140 (or 130136 counting only the distinct ones).

The product of its digits is 1568, while the sum is 28.

The square root of 7287112 is about 2699.4651322067. The cubic root of 7287112 is about 193.8735137522.

The spelling of 7287112 in words is "seven million, two hundred eighty-seven thousand, one hundred twelve".