726899009252 has 24 divisors (see below), whose sum is σ = 1369959316992. Its totient is φ = 335483460000.

The previous prime is 726899009251. The next prime is 726899009281. The reversal of 726899009252 is 252900998627.

It is a junction number, because it is equal to n+sod(n) for n = 726899009191 and 726899009200.

It is not an unprimeable number, because it can be changed into a prime (726899009251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242877 + ... + 2546427.

It is an arithmetic number, because the mean of its divisors is an integer number (57081638208).

Almost surely, 2^726899009252 is an apocalyptic number.

It is an amenable number.

726899009252 is a deficient number, since it is larger than the sum of its proper divisors (643060307740).

726899009252 is a wasteful number, since it uses less digits than its factorization.

726899009252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349619 (or 349617 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 726899009252 in words is "seven hundred twenty-six billion, eight hundred ninety-nine million, nine thousand, two hundred fifty-two".