7166726 has 8 divisors (see below), whose sum is σ = 12285840. Its totient is φ = 3071448.

The previous prime is 7166699. The next prime is 7166729. The reversal of 7166726 is 6276617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7166729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255941 + ... + 255968.

It is an arithmetic number, because the mean of its divisors is an integer number (1535730).

Almost surely, 2^7166726 is an apocalyptic number.

7166726 is a deficient number, since it is larger than the sum of its proper divisors (5119114).

7166726 is a wasteful number, since it uses less digits than its factorization.

7166726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511918.

The product of its digits is 21168, while the sum is 35.

The square root of 7166726 is about 2677.0741491412. The cubic root of 7166726 is about 192.7999573871.

The spelling of 7166726 in words is "seven million, one hundred sixty-six thousand, seven hundred twenty-six".