726036612 has 144 divisors (see below), whose sum is σ = 2100938112. Its totient is φ = 190494720.

The previous prime is 726036601. The next prime is 726036613. The reversal of 726036612 is 216630627.

It is not an unprimeable number, because it can be changed into a prime (726036613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4011162 + ... + 4011342.

It is an arithmetic number, because the mean of its divisors is an integer number (14589848).

Almost surely, 2^726036612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726036612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050469056).

726036612 is an abundant number, since it is smaller than the sum of its proper divisors (1374901500).

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

726036612 is a wasteful number, since it uses less digits than its factorization.

726036612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 726036612 is about 26945.0665614320. The cubic root of 726036612 is about 898.7788425977.

The spelling of 726036612 in words is "seven hundred twenty-six million, thirty-six thousand, six hundred twelve".