728449411 has 2 divisors, whose sum is σ = 728449412. Its totient is φ = 728449410.

The previous prime is 728449387. The next prime is 728449433. The reversal of 728449411 is 114944827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 728449411 - 2⁹ = 728448899 is a prime.

It is not a weakly prime, because it can be changed into another prime (728449481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364224705 + 364224706.

It is an arithmetic number, because the mean of its divisors is an integer number (364224706).

Almost surely, 2^728449411 is an apocalyptic number.

728449411 is a deficient number, since it is larger than the sum of its proper divisors (1).

728449411 is an equidigital number, since it uses as much as digits as its factorization.

728449411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 728449411 is about 26989.8019814892. The cubic root of 728449411 is about 899.7733630980.

The spelling of 728449411 in words is "seven hundred twenty-eight million, four hundred forty-nine thousand, four hundred eleven".