726673156 has 24 divisors (see below), whose sum is σ = 1407996576. Its totient is φ = 325374720.

The previous prime is 726673153. The next prime is 726673159. The reversal of 726673156 is 651376627.

It is an interprime number because it is at equal distance from previous prime (726673153) and next prime (726673159).

It is not an unprimeable number, because it can be changed into a prime (726673153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 120301 + ... + 126196.

It is an arithmetic number, because the mean of its divisors is an integer number (58666524).

Almost surely, 2^726673156 is an apocalyptic number.

It is an amenable number.

726673156 is a deficient number, since it is larger than the sum of its proper divisors (681323420).

726673156 is a wasteful number, since it uses less digits than its factorization.

726673156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246579 (or 246577 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The square root of 726673156 is about 26956.8758575618. The cubic root of 726673156 is about 899.0414304406.

The spelling of 726673156 in words is "seven hundred twenty-six million, six hundred seventy-three thousand, one hundred fifty-six".