4056729 has 8 divisors (see below), whose sum is σ = 5477760. Its totient is φ = 2670096.

The previous prime is 4056721. The next prime is 4056733. The reversal of 4056729 is 9276504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4056729 - 2³ = 4056721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4056729.

It is not an unprimeable number, because it can be changed into a prime (4056721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8322 + ... + 8795.

It is an arithmetic number, because the mean of its divisors is an integer number (684720).

Almost surely, 2^4056729 is an apocalyptic number.

It is an amenable number.

4056729 is a deficient number, since it is larger than the sum of its proper divisors (1421031).

4056729 is a wasteful number, since it uses less digits than its factorization.

4056729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17199.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 4056729 is about 2014.1323193872. The cubic root of 4056729 is about 159.4870159076.

The spelling of 4056729 in words is "four million, fifty-six thousand, seven hundred twenty-nine".