107739649 has 2 divisors, whose sum is σ = 107739650. Its totient is φ = 107739648.

The previous prime is 107739631. The next prime is 107739673. The reversal of 107739649 is 946937701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62916624 + 44823025 = 7932^2 + 6695^2 .

It is a cyclic number.

It is not a de Polignac number, because 107739649 - 2¹⁷ = 107608577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107739599 and 107739608.

It is not a weakly prime, because it can be changed into another prime (107739679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53869824 + 53869825.

It is an arithmetic number, because the mean of its divisors is an integer number (53869825).

Almost surely, 2^107739649 is an apocalyptic number.

It is an amenable number.

107739649 is a deficient number, since it is larger than the sum of its proper divisors (1).

107739649 is an equidigital number, since it uses as much as digits as its factorization.

107739649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 107739649 is about 10379.7711439126. The cubic root of 107739649 is about 475.8373396737.

The spelling of 107739649 in words is "one hundred seven million, seven hundred thirty-nine thousand, six hundred forty-nine".