4513729 has 4 divisors (see below), whose sum is σ = 4924080. Its totient is φ = 4103380.

The previous prime is 4513711. The next prime is 4513757. The reversal of 4513729 is 9273154.

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 4513729 - 2¹³ = 4505537 is a prime.

It is a Duffinian number.

4513729 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4513729.

It is not an unprimeable number, because it can be changed into a prime (4513709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205159 + ... + 205180.

It is an arithmetic number, because the mean of its divisors is an integer number (1231020).

Almost surely, 2^4513729 is an apocalyptic number.

It is an amenable number.

4513729 is a deficient number, since it is larger than the sum of its proper divisors (410351).

4513729 is a wasteful number, since it uses less digits than its factorization.

4513729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410350.

The product of its digits is 7560, while the sum is 31.

The square root of 4513729 is about 2124.5538355146. The cubic root of 4513729 is about 165.2640888746.

The spelling of 4513729 in words is "four million, five hundred thirteen thousand, seven hundred twenty-nine".