7081936 has 20 divisors (see below), whose sum is σ = 13846212. Its totient is φ = 3508736.

The previous prime is 7081933. The next prime is 7081937. The reversal of 7081936 is 6391807.

It can be written as a sum of positive squares in 2 ways, for example, as 2433600 + 4648336 = 1560^2 + 2156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7081931) by changing a digit.

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, 151 + ... + 3766.

Almost surely, 2^7081936 is an apocalyptic number.

It is an amenable number.

7081936 is a deficient number, since it is larger than the sum of its proper divisors (6764276).

7081936 is a wasteful number, since it uses less digits than its factorization.

7081936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038 (or 4032 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7081936 is about 2661.1907109413. The cubic root of 7081936 is about 192.0365960335.

The spelling of 7081936 in words is "seven million, eighty-one thousand, nine hundred thirty-six".