726406156 has 12 divisors (see below), whose sum is σ = 1452812368. Its totient is φ = 311316912.

The previous prime is 726406147. The next prime is 726406169. The reversal of 726406156 is 651604627.

It is a happy number.

726406156 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12971511 + ... + 12971566.

Almost surely, 2^726406156 is an apocalyptic number.

It is an amenable number.

726406156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

726406156 is a wasteful number, since it uses less digits than its factorization.

726406156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25943088 (or 25943086 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 726406156 is about 26951.9230482725. The cubic root of 726406156 is about 898.9313059802.

The spelling of 726406156 in words is "seven hundred twenty-six million, four hundred six thousand, one hundred fifty-six".