79744201 has 2 divisors, whose sum is σ = 79744202. Its totient is φ = 79744200.

The previous prime is 79744163. The next prime is 79744261. The reversal of 79744201 is 10244797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 28249225 = 7176^2 + 5315^2 .

It is an emirp because it is prime and its reverse (10244797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79744201 - 2⁹ = 79743689 is a prime.

It is not a weakly prime, because it can be changed into another prime (79744261) 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, 39872100 + 39872101.

It is an arithmetic number, because the mean of its divisors is an integer number (39872101).

Almost surely, 2^79744201 is an apocalyptic number.

It is an amenable number.

79744201 is a deficient number, since it is larger than the sum of its proper divisors (1).

79744201 is an equidigital number, since it uses as much as digits as its factorization.

79744201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 79744201 is about 8929.9608621763. The cubic root of 79744201 is about 430.4271957849.

Adding to 79744201 its reverse (10244797), we get a palindrome (89988998).

The spelling of 79744201 in words is "seventy-nine million, seven hundred forty-four thousand, two hundred one".