7126722 has 24 divisors (see below), whose sum is σ = 15507180. Its totient is φ = 2365440.

The previous prime is 7126703. The next prime is 7126727. The reversal of 7126722 is 2276217.

It can be written as a sum of positive squares in 2 ways, for example, as 6702921 + 423801 = 2589^2 + 651^2 .

It is not an unprimeable number, because it can be changed into a prime (7126727) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4354 + ... + 5762.

Almost surely, 2^7126722 is an apocalyptic number.

7126722 is an abundant number, since it is smaller than the sum of its proper divisors (8380458).

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

7126722 is a wasteful number, since it uses less digits than its factorization.

7126722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1695 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 7126722 is about 2669.5921036743. The cubic root of 7126722 is about 192.4405573478.

It can be divided in two parts, 71267 and 22, that added together give a square (71289 = 267²).

The spelling of 7126722 in words is "seven million, one hundred twenty-six thousand, seven hundred twenty-two".