79634941 has 2 divisors, whose sum is σ = 79634942. Its totient is φ = 79634940.

The previous prime is 79634921. The next prime is 79634977. The reversal of 79634941 is 14943697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53071225 + 26563716 = 7285^2 + 5154^2 .

It is a cyclic number.

It is not a de Polignac number, because 79634941 - 2⁷ = 79634813 is a prime.

It is a super-4 number, since 4×79634941⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79634921) 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, 39817470 + 39817471.

It is an arithmetic number, because the mean of its divisors is an integer number (39817471).

Almost surely, 2^79634941 is an apocalyptic number.

It is an amenable number.

79634941 is a deficient number, since it is larger than the sum of its proper divisors (1).

79634941 is an equidigital number, since it uses as much as digits as its factorization.

79634941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 79634941 is about 8923.8411572596. The cubic root of 79634941 is about 430.2305253914.

The spelling of 79634941 in words is "seventy-nine million, six hundred thirty-four thousand, nine hundred forty-one".