726447246 has 64 divisors (see below), whose sum is σ = 1733952000. Its totient is φ = 202704768.

The previous prime is 726447229. The next prime is 726447263. The reversal of 726447246 is 642744627.

It is a happy number.

726447246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (726447229) and next prime (726447263).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 726447198 and 726447207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84390 + ... + 92598.

It is an arithmetic number, because the mean of its divisors is an integer number (27093000).

Almost surely, 2^726447246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726447246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866976000).

726447246 is an abundant number, since it is smaller than the sum of its proper divisors (1007504754).

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

726447246 is a wasteful number, since it uses less digits than its factorization.

726447246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8278 (or 8264 counting only the distinct ones).

The product of its digits is 451584, while the sum is 42.

The square root of 726447246 is about 26952.6853207616. The cubic root of 726447246 is about 898.9482553552.

The spelling of 726447246 in words is "seven hundred twenty-six million, four hundred forty-seven thousand, two hundred forty-six".