4072529 has 4 divisors (see below), whose sum is σ = 4124160. Its totient is φ = 4020900.

The previous prime is 4072513. The next prime is 4072531. The reversal of 4072529 is 9252704.

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 4072529 - 2⁴ = 4072513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4072559) 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, 25697 + ... + 25854.

It is an arithmetic number, because the mean of its divisors is an integer number (1031040).

Almost surely, 2^4072529 is an apocalyptic number.

It is an amenable number.

4072529 is a deficient number, since it is larger than the sum of its proper divisors (51631).

4072529 is an equidigital number, since it uses as much as digits as its factorization.

4072529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51630.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4072529 is about 2018.0507922250. The cubic root of 4072529 is about 159.6938024136.

The spelling of 4072529 in words is "four million, seventy-two thousand, five hundred twenty-nine".