726385142 has 8 divisors (see below), whose sum is σ = 1245231696. Its totient is φ = 311307912.

The previous prime is 726385021. The next prime is 726385157. The reversal of 726385142 is 241583627.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 726385096 and 726385105.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25942313 + ... + 25942340.

It is an arithmetic number, because the mean of its divisors is an integer number (155653962).

Almost surely, 2^726385142 is an apocalyptic number.

726385142 is a deficient number, since it is larger than the sum of its proper divisors (518846554).

726385142 is a wasteful number, since it uses less digits than its factorization.

726385142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51884662.

The product of its digits is 80640, while the sum is 38.

The square root of 726385142 is about 26951.5332031408. The cubic root of 726385142 is about 898.9226375861.

The spelling of 726385142 in words is "seven hundred twenty-six million, three hundred eighty-five thousand, one hundred forty-two".