106749917 has 2 divisors, whose sum is σ = 106749918. Its totient is φ = 106749916.

The previous prime is 106749911. The next prime is 106749931. The reversal of 106749917 is 719947601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58461316 + 48288601 = 7646^2 + 6949^2 .

It is a cyclic number.

It is not a de Polignac number, because 106749917 - 2⁴ = 106749901 is a prime.

It is a super-2 number, since 2×106749917² = 22791089559013778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106749911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53374958 + 53374959.

It is an arithmetic number, because the mean of its divisors is an integer number (53374959).

Almost surely, 2^106749917 is an apocalyptic number.

It is an amenable number.

106749917 is a deficient number, since it is larger than the sum of its proper divisors (1).

106749917 is an equidigital number, since it uses as much as digits as its factorization.

106749917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 106749917 is about 10331.9851432336. The cubic root of 106749917 is about 474.3757887448.

The spelling of 106749917 in words is "one hundred six million, seven hundred forty-nine thousand, nine hundred seventeen".