727398 has 48 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 198000.

The previous prime is 727369. The next prime is 727399. The reversal of 727398 is 893727.

727398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727399) by changing a digit.

727398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2773 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁷²⁷³⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 727398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943488).

727398 is an abundant number, since it is smaller than the sum of its proper divisors (1159578).

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

727398 is a wasteful number, since it uses less digits than its factorization.

727398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 286 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 727398 is about 852.8763099067. The cubic root of 727398 is about 89.9340257236.

The spelling of 727398 in words is "seven hundred twenty-seven thousand, three hundred ninety-eight".