79346549 has 2 divisors, whose sum is σ = 79346550. Its totient is φ = 79346548.

The previous prime is 79346513. The next prime is 79346587. The reversal of 79346549 is 94564397.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79299025 + 47524 = 8905^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 79346549 - 2¹² = 79342453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79346149) 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, 39673274 + 39673275.

It is an arithmetic number, because the mean of its divisors is an integer number (39673275).

Almost surely, 2^79346549 is an apocalyptic number.

It is an amenable number.

79346549 is a deficient number, since it is larger than the sum of its proper divisors (1).

79346549 is an equidigital number, since it uses as much as digits as its factorization.

79346549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 79346549 is about 8907.6679888734. The cubic root of 79346549 is about 429.7105479445.

The spelling of 79346549 in words is "seventy-nine million, three hundred forty-six thousand, five hundred forty-nine".