4076729 has 2 divisors, whose sum is σ = 4076730. Its totient is φ = 4076728.

The previous prime is 4076713. The next prime is 4076741. The reversal of 4076729 is 9276704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 76729 = 2000^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 4076729 - 2⁴ = 4076713 is a prime.

It is not a weakly prime, because it can be changed into another prime (4076759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038364 + 2038365.

It is an arithmetic number, because the mean of its divisors is an integer number (2038365).

Almost surely, 2^4076729 is an apocalyptic number.

It is an amenable number.

4076729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4076729 is an equidigital number, since it uses as much as digits as its factorization.

4076729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 4076729 is about 2019.0911321681. The cubic root of 4076729 is about 159.7486809697.

The spelling of 4076729 in words is "four million, seventy-six thousand, seven hundred twenty-nine".