7812252 has 72 divisors (see below), whose sum is σ = 23368800. Its totient is φ = 2153088.

The previous prime is 7812247. The next prime is 7812289. The reversal of 7812252 is 2522187.

It is a super-2 number, since 2×7812252² = 122062562623008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6774 + ... + 7842.

Almost surely, 2^7812252 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 7812252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11684400).

7812252 is an abundant number, since it is smaller than the sum of its proper divisors (15556548).

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

7812252 is a wasteful number, since it uses less digits than its factorization.

7812252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1110 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 7812252 is about 2795.0406079340. The cubic root of 7812252 is about 198.4230318713.

The spelling of 7812252 in words is "seven million, eight hundred twelve thousand, two hundred fifty-two".