7245312 has 80 divisors (see below), whose sum is σ = 19887120. Its totient is φ = 2342912.

The previous prime is 7245311. The next prime is 7245317. The reversal of 7245312 is 2135427.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7245311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81364 + ... + 81452.

It is an arithmetic number, because the mean of its divisors is an integer number (248589).

Almost surely, 2^7245312 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 7245312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9943560).

7245312 is an abundant number, since it is smaller than the sum of its proper divisors (12641808).

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

7245312 is an equidigital number, since it uses as much as digits as its factorization.

7245312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 147 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 7245312 is about 2691.7117230491. The cubic root of 7245312 is about 193.5021065545.

It can be divided in two parts, 7245 and 312, that added together give a palindrome (7557).

The spelling of 7245312 in words is "seven million, two hundred forty-five thousand, three hundred twelve".