731226 has 16 divisors (see below), whose sum is σ = 1494144. Its totient is φ = 238464.

The previous prime is 731219. The next prime is 731233. The reversal of 731226 is 622137.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (731219) and next prime (731233).

It is a congruent number.

It is an unprimeable number.

731226 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (93384).

2⁷³¹²²⁶ is an apocalyptic number.

731226 is an abundant number, since it is smaller than the sum of its proper divisors (762918).

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

731226 is a wasteful number, since it uses less digits than its factorization.

731226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645.

The product of its digits is 504, while the sum is 21.

The square root of 731226 is about 855.1175357809. The cubic root of 731226 is about 90.0915118576.

It can be divided in two parts, 73 and 1226, that multiplied together give a palindrome (89498).

The spelling of 731226 in words is "seven hundred thirty-one thousand, two hundred twenty-six".