728214371 has 2 divisors, whose sum is σ = 728214372. Its totient is φ = 728214370.

The previous prime is 728214367. The next prime is 728214391. The reversal of 728214371 is 173412827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 728214371 - 2² = 728214367 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (728214391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364107185 + 364107186.

It is an arithmetic number, because the mean of its divisors is an integer number (364107186).

Almost surely, 2^728214371 is an apocalyptic number.

728214371 is a deficient number, since it is larger than the sum of its proper divisors (1).

728214371 is an equidigital number, since it uses as much as digits as its factorization.

728214371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 35.

The square root of 728214371 is about 26985.4473929931. The cubic root of 728214371 is about 899.6765796757.

The spelling of 728214371 in words is "seven hundred twenty-eight million, two hundred fourteen thousand, three hundred seventy-one".