726315742 has 16 divisors (see below), whose sum is σ = 1099840320. Its totient is φ = 359718912.

The previous prime is 726315719. The next prime is 726315743. The reversal of 726315742 is 247513627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726315743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88318 + ... + 96190.

It is an arithmetic number, because the mean of its divisors is an integer number (68740020).

Almost surely, 2^726315742 is an apocalyptic number.

726315742 is a deficient number, since it is larger than the sum of its proper divisors (373524578).

726315742 is a wasteful number, since it uses less digits than its factorization.

726315742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307.

The product of its digits is 70560, while the sum is 37.

The square root of 726315742 is about 26950.2456760602. The cubic root of 726315742 is about 898.8940085047.

It can be divided in two parts, 7263 and 15742, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 726315742 in words is "seven hundred twenty-six million, three hundred fifteen thousand, seven hundred forty-two".