32752729 has 9 divisors (see below), whose sum is σ = 33664287. Its totient is φ = 31865664.

The previous prime is 32752723. The next prime is 32752747. The reversal of 32752729 is 92725723.

The square root of 32752729 is 5723.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14707225 + 18045504 = 3835^2 + 4248^2 .

It is not a de Polignac number, because 32752729 - 2²³ = 24364121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32752723) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 337609 + ... + 337705.

Almost surely, 2^32752729 is an apocalyptic number.

32752729 is the 5723-rd square number.

32752729 is the 2862-nd centered octagonal number.

It is an amenable number.

32752729 is a deficient number, since it is larger than the sum of its proper divisors (911558).

32752729 is an frugal number, since it uses more digits than its factorization.

32752729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 156 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The cubic root of 32752729 is about 319.9502819893.

The spelling of 32752729 in words is "thirty-two million, seven hundred fifty-two thousand, seven hundred twenty-nine".