736726 has 4 divisors (see below), whose sum is σ = 1105092. Its totient is φ = 368362.

The previous prime is 736721. The next prime is 736741. The reversal of 736726 is 627637.

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

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 (736721) by changing a digit.

736726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 184180 + ... + 184183.

It is an arithmetic number, because the mean of its divisors is an integer number (276273).

2⁷³⁶⁷²⁶ is an apocalyptic number.

736726 is a deficient number, since it is larger than the sum of its proper divisors (368366).

736726 is a wasteful number, since it uses less digits than its factorization.

736726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368365.

The product of its digits is 10584, while the sum is 31.

The square root of 736726 is about 858.3274433455. The cubic root of 736726 is about 90.3168257607.

The spelling of 736726 in words is "seven hundred thirty-six thousand, seven hundred twenty-six".