107556749 has 2 divisors, whose sum is σ = 107556750. Its totient is φ = 107556748.

The previous prime is 107556703. The next prime is 107556793. The reversal of 107556749 is 947655701.

It is an a-pointer prime, because the next prime (107556793) can be obtained adding 107556749 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106234249 + 1322500 = 10307^2 + 1150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107556749 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 (107556149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53778374 + 53778375.

It is an arithmetic number, because the mean of its divisors is an integer number (53778375).

Almost surely, 2^107556749 is an apocalyptic number.

It is an amenable number.

107556749 is a deficient number, since it is larger than the sum of its proper divisors (1).

107556749 is an equidigital number, since it uses as much as digits as its factorization.

107556749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 107556749 is about 10370.9569953790. The cubic root of 107556749 is about 475.5679249479.

The spelling of 107556749 in words is "one hundred seven million, five hundred fifty-six thousand, seven hundred forty-nine".