32745457 has 2 divisors, whose sum is σ = 32745458. Its totient is φ = 32745456.

The previous prime is 32745439. The next prime is 32745469. The reversal of 32745457 is 75454723.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17969121 + 14776336 = 4239^2 + 3844^2 .

It is a cyclic number.

It is not a de Polignac number, because 32745457 - 2¹⁵ = 32712689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32745487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16372728 + 16372729.

It is an arithmetic number, because the mean of its divisors is an integer number (16372729).

Almost surely, 2^32745457 is an apocalyptic number.

It is an amenable number.

32745457 is a deficient number, since it is larger than the sum of its proper divisors (1).

32745457 is an equidigital number, since it uses as much as digits as its factorization.

32745457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 37.

The square root of 32745457 is about 5722.3646336108. The cubic root of 32745457 is about 319.9266010042.

The spelling of 32745457 in words is "thirty-two million, seven hundred forty-five thousand, four hundred fifty-seven".