727704841 has 4 divisors (see below), whose sum is σ = 727759684. Its totient is φ = 727650000.

The previous prime is 727704799. The next prime is 727704877. The reversal of 727704841 is 148407727.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 475022025 + 252682816 = 21795^2 + 15896^2 .

It is a cyclic number.

It is not a de Polignac number, because 727704841 - 2¹⁵ = 727672073 is a prime.

It is a super-2 number, since 2×727704841² = 1059108671229670562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 727704794 and 727704803.

It is not an unprimeable number, because it can be changed into a prime (727744841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6331 + ... + 38671.

It is an arithmetic number, because the mean of its divisors is an integer number (181939921).

Almost surely, 2^727704841 is an apocalyptic number.

It is an amenable number.

727704841 is a deficient number, since it is larger than the sum of its proper divisors (54843).

727704841 is a wasteful number, since it uses less digits than its factorization.

727704841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54842.

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 727704841 is about 26976.0049117730. The cubic root of 727704841 is about 899.4666968060.

The spelling of 727704841 in words is "seven hundred twenty-seven million, seven hundred four thousand, eight hundred forty-one".