61336679 has 2 divisors, whose sum is σ = 61336680. Its totient is φ = 61336678.

The previous prime is 61336661. The next prime is 61336729. The reversal of 61336679 is 97663316.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61336679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61338679) 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, 30668339 + 30668340.

It is an arithmetic number, because the mean of its divisors is an integer number (30668340).

Almost surely, 2^61336679 is an apocalyptic number.

61336679 is a deficient number, since it is larger than the sum of its proper divisors (1).

61336679 is an equidigital number, since it uses as much as digits as its factorization.

61336679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 61336679 is about 7831.7736816126. The cubic root of 61336679 is about 394.3726172518.

The spelling of 61336679 in words is "sixty-one million, three hundred thirty-six thousand, six hundred seventy-nine".