49102705 has 4 divisors (see below), whose sum is σ = 58923252. Its totient is φ = 39282160.

The previous prime is 49102699. The next prime is 49102709. The reversal of 49102705 is 50720194.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30371121 + 18731584 = 5511^2 + 4328^2 .

It is not a de Polignac number, because 49102705 - 2⁵ = 49102673 is a prime.

It is a super-2 number, since 2×49102705² = 4822151276634050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49102709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4910266 + ... + 4910275.

It is an arithmetic number, because the mean of its divisors is an integer number (14730813).

Almost surely, 2^49102705 is an apocalyptic number.

It is an amenable number.

49102705 is a deficient number, since it is larger than the sum of its proper divisors (9820547).

49102705 is an equidigital number, since it uses as much as digits as its factorization.

49102705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9820546.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 49102705 is about 7007.3322313131. The cubic root of 49102705 is about 366.1860585646.

Adding to 49102705 its reverse (50720194), we get a palindrome (99822899).

The spelling of 49102705 in words is "forty-nine million, one hundred two thousand, seven hundred five".