4158729 has 8 divisors (see below), whose sum is σ = 6161120. Its totient is φ = 2772468.

The previous prime is 4158697. The next prime is 4158731. The reversal of 4158729 is 9278514.

It is not a de Polignac number, because 4158729 - 2⁵ = 4158697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4158693 and 4158702.

It is not an unprimeable number, because it can be changed into a prime (4158779) 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 7 ways as a sum of consecutive naturals, for example, 76987 + ... + 77040.

It is an arithmetic number, because the mean of its divisors is an integer number (770140).

Almost surely, 2^4158729 is an apocalyptic number.

It is an amenable number.

4158729 is a deficient number, since it is larger than the sum of its proper divisors (2002391).

4158729 is a wasteful number, since it uses less digits than its factorization.

4158729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154036 (or 154030 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4158729 is about 2039.2962021246. The cubic root of 4158729 is about 160.8126493725.

It can be divided in two parts, 41587 and 29, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 4158729 in words is "four million, one hundred fifty-eight thousand, seven hundred twenty-nine".