727470 has 48 divisors (see below), whose sum is σ = 1937520. Its totient is φ = 189312.

The previous prime is 727459. The next prime is 727471. The reversal of 727470 is 74727.

It is a happy number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727471) by changing a digit.

727470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5242 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (40365).

2⁷²⁷⁴⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 727470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968760).

727470 is an abundant number, since it is smaller than the sum of its proper divisors (1210050).

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

727470 is a wasteful number, since it uses less digits than its factorization.

727470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 727470 is about 852.9185189688. The cubic root of 727470 is about 89.9369929374.

The spelling of 727470 in words is "seven hundred twenty-seven thousand, four hundred seventy", and thus it is an iban number.