727397 has 8 divisors (see below), whose sum is σ = 803520. Its totient is φ = 652960.

The previous prime is 727369. The next prime is 727399. The reversal of 727397 is 793727.

727397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-727397 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

2⁷²⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

727397 is a deficient number, since it is larger than the sum of its proper divisors (76123).

727397 is a wasteful number, since it uses less digits than its factorization.

727397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843.

The product of its digits is 18522, while the sum is 35.

The square root of 727397 is about 852.8757236550. The cubic root of 727397 is about 89.9339845109.

The spelling of 727397 in words is "seven hundred twenty-seven thousand, three hundred ninety-seven".