727018349 has 2 divisors, whose sum is σ = 727018350. Its totient is φ = 727018348.

The previous prime is 727018343. The next prime is 727018351. The reversal of 727018349 is 943810727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633277225 + 93741124 = 25165^2 + 9682^2 .

It is a cyclic number.

It is not a de Polignac number, because 727018349 - 2¹⁶ = 726952813 is a prime.

Together with 727018351, it forms a pair of twin primes.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (727018343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363509174 + 363509175.

It is an arithmetic number, because the mean of its divisors is an integer number (363509175).

Almost surely, 2^727018349 is an apocalyptic number.

It is an amenable number.

727018349 is a deficient number, since it is larger than the sum of its proper divisors (1).

727018349 is an equidigital number, since it uses as much as digits as its factorization.

727018349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 727018349 is about 26963.2777866490. The cubic root of 727018349 is about 899.1837657202.

The spelling of 727018349 in words is "seven hundred twenty-seven million, eighteen thousand, three hundred forty-nine".