49107739 has 2 divisors, whose sum is σ = 49107740. Its totient is φ = 49107738.

The previous prime is 49107719. The next prime is 49107803. The reversal of 49107739 is 93770194.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49107739 is a prime.

It is not a weakly prime, because it can be changed into another prime (49107719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24553869 + 24553870.

It is an arithmetic number, because the mean of its divisors is an integer number (24553870).

Almost surely, 2^49107739 is an apocalyptic number.

49107739 is a deficient number, since it is larger than the sum of its proper divisors (1).

49107739 is an equidigital number, since it uses as much as digits as its factorization.

49107739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 49107739 is about 7007.6914172929. The cubic root of 49107739 is about 366.1985719120.

The spelling of 49107739 in words is "forty-nine million, one hundred seven thousand, seven hundred thirty-nine".