3245922729 has 27 divisors (see below), whose sum is σ = 5456044503. Its totient is φ = 1854129312.

The previous prime is 3245922697. The next prime is 3245922731. The reversal of 3245922729 is 9272295423.

The square root of 3245922729 is 56973.

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

3245922729 is a `hidden beast` number, since 32 + 4 + 592 + 2 + 7 + 29 = 666.

3245922729 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 only one way, i.e., 3202994025 + 42928704 = 56595^2 + 6552^2 .

It is not a de Polignac number, because 3245922729 - 2⁵ = 3245922697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3245922529) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1195077 + ... + 1197789.

Almost surely, 2^3245922729 is an apocalyptic number.

3245922729 is the 56973-rd square number.

3245922729 is the 28487-th centered octagonal number.

It is an amenable number.

3245922729 is a deficient number, since it is larger than the sum of its proper divisors (2210121774).

3245922729 is an frugal number, since it uses more digits than its factorization.

3245922729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446 (or 2723 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The cubic root of 3245922729 is about 1480.6283442547.

The spelling of 3245922729 in words is "three billion, two hundred forty-five million, nine hundred twenty-two thousand, seven hundred twenty-nine".