32770819 has 2 divisors, whose sum is σ = 32770820. Its totient is φ = 32770818.

The previous prime is 32770799. The next prime is 32770853. The reversal of 32770819 is 91807723.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32770819 is a prime.

It is a super-2 number, since 2×32770819² = 2147853155861522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32770879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16385409 + 16385410.

It is an arithmetic number, because the mean of its divisors is an integer number (16385410).

Almost surely, 2^32770819 is an apocalyptic number.

32770819 is a deficient number, since it is larger than the sum of its proper divisors (1).

32770819 is an equidigital number, since it uses as much as digits as its factorization.

32770819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 32770819 is about 5724.5802466207. The cubic root of 32770819 is about 320.0091761692.

The spelling of 32770819 in words is "thirty-two million, seven hundred seventy thousand, eight hundred nineteen".