32793225921 has 63 divisors (see below), whose sum is σ = 52038716979. Its totient is φ = 20652838272.

The previous prime is 32793225863. The next prime is 32793225931. The reversal of 32793225921 is 12952239723.

The square root of 32793225921 is 181089.

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

32793225921 is a `hidden beast` number, since 3 + 27 + 9 + 32 + 2 + 592 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13322930625 + 19470295296 = 115425^2 + 139536^2 .

It is not a de Polignac number, because 32793225921 - 2¹³ = 32793217729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32793225931) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 92898481 + ... + 92898833.

Almost surely, 2^32793225921 is an apocalyptic number.

32793225921 is the 181089-th square number.

32793225921 is the 90545-th centered octagonal number.

It is an amenable number.

32793225921 is a deficient number, since it is larger than the sum of its proper divisors (19245491058).

32793225921 is an frugal number, since it uses more digits than its factorization.

32793225921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 375 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The spelling of 32793225921 in words is "thirty-two billion, seven hundred ninety-three million, two hundred twenty-five thousand, nine hundred twenty-one".