7161812 has 24 divisors (see below), whose sum is σ = 14435904. Its totient is φ = 3045312.

The previous prime is 7161793. The next prime is 7161823. The reversal of 7161812 is 2181617.

It is a super-4 number, since 4×7161812⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 7 ways as a sum of consecutive naturals, for example, 2903 + ... + 4769.

It is an arithmetic number, because the mean of its divisors is an integer number (601496).

Almost surely, 2^7161812 is an apocalyptic number.

It is an amenable number.

7161812 is an abundant number, since it is smaller than the sum of its proper divisors (7274092).

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

7161812 is a wasteful number, since it uses less digits than its factorization.

7161812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2013 counting only the distinct ones).

The product of its digits is 672, while the sum is 26.

The square root of 7161812 is about 2676.1561987298. The cubic root of 7161812 is about 192.7558816770.

The spelling of 7161812 in words is "seven million, one hundred sixty-one thousand, eight hundred twelve".