107730391 has 2 divisors, whose sum is σ = 107730392. Its totient is φ = 107730390.

The previous prime is 107730379. The next prime is 107730419. The reversal of 107730391 is 193037701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 107730391 - 2⁷ = 107730263 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 (107731391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53865195 + 53865196.

It is an arithmetic number, because the mean of its divisors is an integer number (53865196).

Almost surely, 2^107730391 is an apocalyptic number.

107730391 is a deficient number, since it is larger than the sum of its proper divisors (1).

107730391 is an equidigital number, since it uses as much as digits as its factorization.

107730391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 107730391 is about 10379.3251707421. The cubic root of 107730391 is about 475.8237098159.

The spelling of 107730391 in words is "one hundred seven million, seven hundred thirty thousand, three hundred ninety-one".