755220029 has 2 divisors, whose sum is σ = 755220030. Its totient is φ = 755220028.

The previous prime is 755219957. The next prime is 755220031. The reversal of 755220029 is 920022557.

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., 728460100 + 26759929 = 26990^2 + 5173^2 .

It is a cyclic number.

It is not a de Polignac number, because 755220029 - 2¹⁶ = 755154493 is a prime.

Together with 755220031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 755219977 and 755220004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755220079) 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, 377610014 + 377610015.

It is an arithmetic number, because the mean of its divisors is an integer number (377610015).

Almost surely, 2^755220029 is an apocalyptic number.

It is an amenable number.

755220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

755220029 is an equidigital number, since it uses as much as digits as its factorization.

755220029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 755220029 is about 27481.2668739998. The cubic root of 755220029 is about 910.6632965467.

The spelling of 755220029 in words is "seven hundred fifty-five million, two hundred twenty thousand, twenty-nine".