727696 has 10 divisors (see below), whose sum is σ = 1409942. Its totient is φ = 363840.

The previous prime is 727691. The next prime is 727703. The reversal of 727696 is 696727.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 318096 = 640^2 + 564^2 .

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

It is not an unprimeable number, because it can be changed into a prime (727691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22725 + ... + 22756.

2⁷²⁷⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

727696 is a deficient number, since it is larger than the sum of its proper divisors (682246).

727696 is a wasteful number, since it uses less digits than its factorization.

727696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45489 (or 45483 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 727696 is about 853.0509949587. The cubic root of 727696 is about 89.9463054204.

The spelling of 727696 in words is "seven hundred twenty-seven thousand, six hundred ninety-six".