726647612 has 6 divisors (see below), whose sum is σ = 1271633328. Its totient is φ = 363323804.

The previous prime is 726647587. The next prime is 726647627. The reversal of 726647612 is 216746627.

It is a self number, because there is not a number n which added to its sum of digits gives 726647612.

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 as a sum of consecutive naturals, namely, 90830948 + ... + 90830955.

It is an arithmetic number, because the mean of its divisors is an integer number (211938888).

Almost surely, 2^726647612 is an apocalyptic number.

It is an amenable number.

726647612 is a deficient number, since it is larger than the sum of its proper divisors (544985716).

726647612 is a wasteful number, since it uses less digits than its factorization.

726647612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181661907 (or 181661905 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 726647612 is about 26956.4020596221. The cubic root of 726647612 is about 899.0308959551.

The spelling of 726647612 in words is "seven hundred twenty-six million, six hundred forty-seven thousand, six hundred twelve".