727542 has 28 divisors (see below), whose sum is σ = 1639500. Its totient is φ = 242028.

The previous prime is 727541. The next prime is 727561. The reversal of 727542 is 245727.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 727542.

It is not an unprimeable number, because it can be changed into a prime (727541) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1209 + ... + 1707.

2⁷²⁷⁵⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 727542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819750).

727542 is an abundant number, since it is smaller than the sum of its proper divisors (911958).

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

727542 is an equidigital number, since it uses as much as digits as its factorization.

727542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 504 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 727542 is about 852.9607259423. The cubic root of 727542 is about 89.9399599555.

The spelling of 727542 in words is "seven hundred twenty-seven thousand, five hundred forty-two".