3209772052 has 18 divisors (see below), whose sum is σ = 5770153662. Its totient is φ = 1561175424.

The previous prime is 3209772031. The next prime is 3209772053. The reversal of 3209772052 is 2502779023.

3209772052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 113294736 + 3096477316 = 10644^2 + 55646^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3209772053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686908 + ... + 691564.

Almost surely, 2^3209772052 is an apocalyptic number.

It is an amenable number.

3209772052 is a deficient number, since it is larger than the sum of its proper divisors (2560381610).

3209772052 is an frugal number, since it uses more digits than its factorization.

3209772052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9355 (or 4696 counting only the distinct ones).

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

The square root of 3209772052 is about 56654.8502071976. The cubic root of 3209772052 is about 1475.1110979423. Note that the first 3 decimals are identical.

Multiplying 3209772052 by its sum of digits (37), we get a square (118761565924 = 344618²).

3209772052 divided by its sum of digits (37) gives a square (86750596 = 9314²).

The spelling of 3209772052 in words is "three billion, two hundred nine million, seven hundred seventy-two thousand, fifty-two".