32440069 has 2 divisors, whose sum is σ = 32440070. Its totient is φ = 32440068.

The previous prime is 32440039. The next prime is 32440073. The reversal of 32440069 is 96004423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29757025 + 2683044 = 5455^2 + 1638^2 .

It is a cyclic number.

It is not a de Polignac number, because 32440069 - 2¹⁹ = 31915781 is a prime.

It is a super-2 number, since 2×32440069² = 2104716153449522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32440039) 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, 16220034 + 16220035.

It is an arithmetic number, because the mean of its divisors is an integer number (16220035).

Almost surely, 2^32440069 is an apocalyptic number.

It is an amenable number.

32440069 is a deficient number, since it is larger than the sum of its proper divisors (1).

32440069 is an equidigital number, since it uses as much as digits as its factorization.

32440069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 32440069 is about 5695.6184036503. The cubic root of 32440069 is about 318.9289353398.

The spelling of 32440069 in words is "thirty-two million, four hundred forty thousand, sixty-nine".