727712 has 12 divisors (see below), whose sum is σ = 1432746. Its totient is φ = 363840.

The previous prime is 727711. The next prime is 727717. The reversal of 727712 is 217727.

It can be written as a sum of positive squares in only one way, i.e., 712336 + 15376 = 844^2 + 124^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (727711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11339 + ... + 11402.

2⁷²⁷⁷¹² is an apocalyptic number.

It is an amenable number.

727712 is a deficient number, since it is larger than the sum of its proper divisors (705034).

727712 is a wasteful number, since it uses less digits than its factorization.

727712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751 (or 22743 counting only the distinct ones).

The product of its digits is 1372, while the sum is 26.

The square root of 727712 is about 853.0603730100. The cubic root of 727712 is about 89.9469646381.

The spelling of 727712 in words is "seven hundred twenty-seven thousand, seven hundred twelve", and thus it is an iban number.