4036729 has 4 divisors (see below), whose sum is σ = 4047760. Its totient is φ = 4025700.

The previous prime is 4036723. The next prime is 4036733. The reversal of 4036729 is 9276304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4036729 - 2⁷ = 4036601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4036729.

It is not an unprimeable number, because it can be changed into a prime (4036723) 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 in 3 ways as a sum of consecutive naturals, for example, 4947 + ... + 5704.

It is an arithmetic number, because the mean of its divisors is an integer number (1011940).

Almost surely, 2^4036729 is an apocalyptic number.

It is an amenable number.

4036729 is a deficient number, since it is larger than the sum of its proper divisors (11031).

4036729 is a wasteful number, since it uses less digits than its factorization.

4036729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11030.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 4036729 is about 2009.1612677931. The cubic root of 4036729 is about 159.2244894062.

The spelling of 4036729 in words is "four million, thirty-six thousand, seven hundred twenty-nine".