726612984 has 64 divisors (see below), whose sum is σ = 2033856000. Its totient is φ = 240346080.

The previous prime is 726612983. The next prime is 726612989. The reversal of 726612984 is 489216627.

It is a happy number.

726612984 is a `hidden beast` number, since 7 + 26 + 612 + 9 + 8 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726612983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15457 + ... + 41135.

It is an arithmetic number, because the mean of its divisors is an integer number (31779000).

Almost surely, 2^726612984 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 726612984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016928000).

726612984 is an abundant number, since it is smaller than the sum of its proper divisors (1307243016).

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

726612984 is a wasteful number, since it uses less digits than its factorization.

726612984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25825 (or 25815 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 726612984 is about 26955.7597555699. The cubic root of 726612984 is about 899.0166147841.

The spelling of 726612984 in words is "seven hundred twenty-six million, six hundred twelve thousand, nine hundred eighty-four".