7423726 has 4 divisors (see below), whose sum is σ = 11135592. Its totient is φ = 3711862.

The previous prime is 7423723. The next prime is 7423727. The reversal of 7423726 is 6273247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7423726² = 110223415446152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7423723) 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 as a sum of consecutive naturals, namely, 1855930 + ... + 1855933.

It is an arithmetic number, because the mean of its divisors is an integer number (2783898).

Almost surely, 2^7423726 is an apocalyptic number.

7423726 is a deficient number, since it is larger than the sum of its proper divisors (3711866).

7423726 is a wasteful number, since it uses less digits than its factorization.

7423726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711865.

The product of its digits is 14112, while the sum is 31.

The square root of 7423726 is about 2724.6515373530. The cubic root of 7423726 is about 195.0775584534.

The spelling of 7423726 in words is "seven million, four hundred twenty-three thousand, seven hundred twenty-six".