3212320073 has 2 divisors, whose sum is σ = 3212320074. Its totient is φ = 3212320072.

The previous prime is 3212320061. The next prime is 3212320079. The reversal of 3212320073 is 3700232123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1958239504 + 1254080569 = 44252^2 + 35413^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212320073 - 2¹⁰ = 3212319049 is a prime.

It is not a weakly prime, because it can be changed into another prime (3212320079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606160036 + 1606160037.

It is an arithmetic number, because the mean of its divisors is an integer number (1606160037).

Almost surely, 2^3212320073 is an apocalyptic number.

It is an amenable number.

3212320073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212320073 is an equidigital number, since it uses as much as digits as its factorization.

3212320073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 3212320073 is about 56677.3329735971. The cubic root of 3212320073 is about 1475.5013250220.

Adding to 3212320073 its reverse (3700232123), we get a palindrome (6912552196).

The spelling of 3212320073 in words is "three billion, two hundred twelve million, three hundred twenty thousand, seventy-three".