79348069 has 2 divisors, whose sum is σ = 79348070. Its totient is φ = 79348068.

The previous prime is 79348067. The next prime is 79348081. The reversal of 79348069 is 96084397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66830625 + 12517444 = 8175^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 79348069 - 2¹ = 79348067 is a prime.

It is a super-2 number, since 2×79348069² = 12592232108057522, which contains 22 as substring.

Together with 79348067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79348063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39674034 + 39674035.

It is an arithmetic number, because the mean of its divisors is an integer number (39674035).

Almost surely, 2^79348069 is an apocalyptic number.

It is an amenable number.

79348069 is a deficient number, since it is larger than the sum of its proper divisors (1).

79348069 is an equidigital number, since it uses as much as digits as its factorization.

79348069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 79348069 is about 8907.7533082141. The cubic root of 79348069 is about 429.7132918398.

The spelling of 79348069 in words is "seventy-nine million, three hundred forty-eight thousand, sixty-nine".