726517020 has 24 divisors (see below), whose sum is σ = 2034247824. Its totient is φ = 193737856.

The previous prime is 726517013. The next prime is 726517039. The reversal of 726517020 is 20715627.

726517020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6054249 + ... + 6054368.

It is an arithmetic number, because the mean of its divisors is an integer number (84760326).

Almost surely, 2^726517020 is an apocalyptic number.

It is an amenable number.

726517020 is an abundant number, since it is smaller than the sum of its proper divisors (1307730804).

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

726517020 is a wasteful number, since it uses less digits than its factorization.

726517020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12108629 (or 12108627 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 726517020 is about 26953.9796690581. The cubic root of 726517020 is about 898.9770352415.

The spelling of 726517020 in words is "seven hundred twenty-six million, five hundred seventeen thousand, twenty".