727570432 has 48 divisors (see below), whose sum is σ = 1482455520. Its totient is φ = 356868096.

The previous prime is 727570373. The next prime is 727570433. The reversal of 727570432 is 234075727.

It is a junction number, because it is equal to n+sod(n) for n = 727570391 and 727570400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727570433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 105193 + ... + 111895.

It is an arithmetic number, because the mean of its divisors is an integer number (30884490).

Almost surely, 2^727570432 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 727570432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741227760).

727570432 is an abundant number, since it is smaller than the sum of its proper divisors (754885088).

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

727570432 is an equidigital number, since it uses as much as digits as its factorization.

727570432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778 (or 6758 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 727570432 is about 26973.5135271622. The cubic root of 727570432 is about 899.4113154405.

The spelling of 727570432 in words is "seven hundred twenty-seven million, five hundred seventy thousand, four hundred thirty-two".