4919729 has 2 divisors, whose sum is σ = 4919730. Its totient is φ = 4919728.

The previous prime is 4919701. The next prime is 4919737. The reversal of 4919729 is 9279194.

It is a happy number.

4919729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 1385329 = 1880^2 + 1177^2 .

It is a cyclic number.

It is not a de Polignac number, because 4919729 - 2¹² = 4915633 is a prime.

It is not a weakly prime, because it can be changed into another prime (4919029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459864 + 2459865.

It is an arithmetic number, because the mean of its divisors is an integer number (2459865).

Almost surely, 2^4919729 is an apocalyptic number.

It is an amenable number.

4919729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4919729 is an equidigital number, since it uses as much as digits as its factorization.

4919729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 4919729 is about 2218.0462123229. The cubic root of 4919729 is about 170.0775770502.

The spelling of 4919729 in words is "four million, nine hundred nineteen thousand, seven hundred twenty-nine".