7212810 has 48 divisors (see below), whose sum is σ = 19037088. Its totient is φ = 1747680.

The previous prime is 7212797. The next prime is 7212833. The reversal of 7212810 is 182127.

It is a super-3 number, since 3×7212810³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 23 ways as a sum of consecutive naturals, for example, 2637 + ... + 4623.

It is an arithmetic number, because the mean of its divisors is an integer number (396606).

Almost surely, 2^7212810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7212810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9518544).

7212810 is an abundant number, since it is smaller than the sum of its proper divisors (11824278).

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

7212810 is a wasteful number, since it uses less digits than its factorization.

7212810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2008 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 7212810 is about 2685.6675147903. The cubic root of 7212810 is about 193.2123268415.

Adding to 7212810 its reverse (182127), we get a palindrome (7394937).

The spelling of 7212810 in words is "seven million, two hundred twelve thousand, eight hundred ten".