4041729 has 12 divisors (see below), whose sum is σ = 5865600. Its totient is φ = 2681784.

The previous prime is 4041691. The next prime is 4041731. The reversal of 4041729 is 9271404.

It is a happy number.

It is not a de Polignac number, because 4041729 - 2⁷ = 4041601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4041229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1212 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (488800).

Almost surely, 2^4041729 is an apocalyptic number.

It is an amenable number.

4041729 is a deficient number, since it is larger than the sum of its proper divisors (1823871).

4041729 is a wasteful number, since it uses less digits than its factorization.

4041729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2121 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 4041729 is about 2010.4051830415. The cubic root of 4041729 is about 159.2902021796.

The spelling of 4041729 in words is "four million, forty-one thousand, seven hundred twenty-nine".