107307749 has 2 divisors, whose sum is σ = 107307750. Its totient is φ = 107307748.

The previous prime is 107307731. The next prime is 107307779. The reversal of 107307749 is 947703701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63840100 + 43467649 = 7990^2 + 6593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107307749 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 (107307779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53653874 + 53653875.

It is an arithmetic number, because the mean of its divisors is an integer number (53653875).

Almost surely, 2^107307749 is an apocalyptic number.

It is an amenable number.

107307749 is a deficient number, since it is larger than the sum of its proper divisors (1).

107307749 is an equidigital number, since it uses as much as digits as its factorization.

107307749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 107307749 is about 10358.9453613773. The cubic root of 107307749 is about 475.2006524387.

The spelling of 107307749 in words is "one hundred seven million, three hundred seven thousand, seven hundred forty-nine".