7423722 has 24 divisors (see below), whose sum is σ = 16163940. Its totient is φ = 2462400.

The previous prime is 7423711. The next prime is 7423723. The reversal of 7423722 is 2273247.

It can be written as a sum of positive squares in 2 ways, for example, as 7403841 + 19881 = 2721^2 + 141^2 .

It is a super-2 number, since 2×7423722² = 110223296666568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7423723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3222 + ... + 5022.

Almost surely, 2^7423722 is an apocalyptic number.

7423722 is an abundant number, since it is smaller than the sum of its proper divisors (8740218).

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

7423722 is a wasteful number, since it uses less digits than its factorization.

7423722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038 (or 2035 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 7423722 is about 2724.6508033141. The cubic root of 7423722 is about 195.0775234166.

Adding to 7423722 its reverse (2273247), we get a palindrome (9696969).

The spelling of 7423722 in words is "seven million, four hundred twenty-three thousand, seven hundred twenty-two".