727032340 has 72 divisors (see below), whose sum is σ = 1628939592. Its totient is φ = 272505600.

The previous prime is 727032337. The next prime is 727032379. The reversal of 727032340 is 43230727.

It can be written as a sum of positive squares in 4 ways, for example, as 385965316 + 341067024 = 19646^2 + 18468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 727032299 and 727032308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728722 + ... + 729718.

It is an arithmetic number, because the mean of its divisors is an integer number (22624161).

Almost surely, 2^727032340 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 727032340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814469796).

727032340 is an abundant number, since it is smaller than the sum of its proper divisors (901907252).

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

727032340 is a wasteful number, since it uses less digits than its factorization.

727032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 727032340 is about 26963.5372308605. The cubic root of 727032340 is about 899.1895337541.

The spelling of 727032340 in words is "seven hundred twenty-seven million, thirty-two thousand, three hundred forty".