32748421 has 2 divisors, whose sum is σ = 32748422. Its totient is φ = 32748420.

The previous prime is 32748407. The next prime is 32748437. The reversal of 32748421 is 12484723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26061025 + 6687396 = 5105^2 + 2586^2 .

It is a cyclic number.

It is not a de Polignac number, because 32748421 - 2⁹ = 32747909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32748451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16374210 + 16374211.

It is an arithmetic number, because the mean of its divisors is an integer number (16374211).

Almost surely, 2^32748421 is an apocalyptic number.

It is an amenable number.

32748421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32748421 is an equidigital number, since it uses as much as digits as its factorization.

32748421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 32748421 is about 5722.6236115963. The cubic root of 32748421 is about 319.9362535781.

The spelling of 32748421 in words is "thirty-two million, seven hundred forty-eight thousand, four hundred twenty-one".