727947 has 40 divisors (see below), whose sum is σ = 1277760. Its totient is φ = 408240.

The previous prime is 727939. The next prime is 727949. The reversal of 727947 is 749727.

It is not a de Polignac number, because 727947 - 2³ = 727939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (727949) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 16908 + ... + 16950.

It is an arithmetic number, because the mean of its divisors is an integer number (31944).

2⁷²⁷⁹⁴⁷ is an apocalyptic number.

727947 is a deficient number, since it is larger than the sum of its proper divisors (549813).

727947 is a wasteful number, since it uses less digits than its factorization.

727947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 76 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 727947 is about 853.1981012637. The cubic root of 727947 is about 89.9566457857.

The spelling of 727947 in words is "seven hundred twenty-seven thousand, nine hundred forty-seven".