79452029 has 2 divisors, whose sum is σ = 79452030. Its totient is φ = 79452028.

The previous prime is 79452019. The next prime is 79452031. The reversal of 79452029 is 92025497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65983129 + 13468900 = 8123^2 + 3670^2 .

It is a cyclic number.

It is not a de Polignac number, because 79452029 - 2⁸ = 79451773 is a prime.

It is a Sophie Germain prime.

Together with 79452031, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79451983 and 79452001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79452019) 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, 39726014 + 39726015.

It is an arithmetic number, because the mean of its divisors is an integer number (39726015).

Almost surely, 2^79452029 is an apocalyptic number.

It is an amenable number.

79452029 is a deficient number, since it is larger than the sum of its proper divisors (1).

79452029 is an equidigital number, since it uses as much as digits as its factorization.

79452029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 79452029 is about 8913.5867640361. The cubic root of 79452029 is about 429.9008767373.

The spelling of 79452029 in words is "seventy-nine million, four hundred fifty-two thousand, twenty-nine".