49970647 has 2 divisors, whose sum is σ = 49970648. Its totient is φ = 49970646.

The previous prime is 49970629. The next prime is 49970671. The reversal of 49970647 is 74607994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49970647 - 2⁷ = 49970519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49970597 and 49970606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49940647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24985323 + 24985324.

It is an arithmetic number, because the mean of its divisors is an integer number (24985324).

Almost surely, 2^49970647 is an apocalyptic number.

49970647 is a deficient number, since it is larger than the sum of its proper divisors (1).

49970647 is an equidigital number, since it uses as much as digits as its factorization.

49970647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 49970647 is about 7068.9919366201. The cubic root of 49970647 is about 368.3310441677.

The spelling of 49970647 in words is "forty-nine million, nine hundred seventy thousand, six hundred forty-seven".