49689170 has 8 divisors (see below), whose sum is σ = 89440524. Its totient is φ = 19875664.

The previous prime is 49689169. The next prime is 49689173. The reversal of 49689170 is 7198694.

49689170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41977441 + 7711729 = 6479^2 + 2777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (49689173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2484449 + ... + 2484468.

Almost surely, 2^49689170 is an apocalyptic number.

49689170 is a deficient number, since it is larger than the sum of its proper divisors (39751354).

49689170 is a wasteful number, since it uses less digits than its factorization.

49689170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968924.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 49689170 is about 7049.0545465332. The cubic root of 49689170 is about 367.6381574428.

The spelling of 49689170 in words is "forty-nine million, six hundred eighty-nine thousand, one hundred seventy".