727320 has 128 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 161280.

The previous prime is 727313. The next prime is 727327. The reversal of 727320 is 23727.

It is an interprime number because it is at equal distance from previous prime (727313) and next prime (727327).

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 727320.

It is not an unprimeable number, because it can be changed into a prime (727327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25066 + ... + 25094.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2⁷²⁷³²⁰ 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 727320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296000).

727320 is an abundant number, since it is smaller than the sum of its proper divisors (1864680).

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

727320 is a wasteful number, since it uses less digits than its factorization.

727320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 727320 is about 852.8305810652. The cubic root of 727320 is about 89.9308110210.

The spelling of 727320 in words is "seven hundred twenty-seven thousand, three hundred twenty", and thus it is an iban number.