727403216 has 20 divisors (see below), whose sum is σ = 1422276900. Its totient is φ = 360364032.

The previous prime is 727403213. The next prime is 727403231. The reversal of 727403216 is 612304727.

727403216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 262569616 + 464833600 = 16204^2 + 21560^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727403213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206801 + ... + 210288.

It is an arithmetic number, because the mean of its divisors is an integer number (71113845).

Almost surely, 2^727403216 is an apocalyptic number.

It is an amenable number.

727403216 is a deficient number, since it is larger than the sum of its proper divisors (694873684).

727403216 is a wasteful number, since it uses less digits than its factorization.

727403216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417206 (or 417200 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 727403216 is about 26970.4137157738. The cubic root of 727403216 is about 899.3424068835.

The spelling of 727403216 in words is "seven hundred twenty-seven million, four hundred three thousand, two hundred sixteen".