49742005 has 8 divisors (see below), whose sum is σ = 59947992. Its totient is φ = 39621888.

The previous prime is 49741999. The next prime is 49742009. The reversal of 49742005 is 50024794.

49742005 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 4 ways, for example, as 81796 + 49660209 = 286^2 + 7047^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49742005 - 2³ = 49741997 is a prime.

It is a super-2 number, since 2×49742005² = 4948534122840050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49742009) 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 7 ways as a sum of consecutive naturals, for example, 20184 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (7493499).

Almost surely, 2^49742005 is an apocalyptic number.

It is an amenable number.

49742005 is a deficient number, since it is larger than the sum of its proper divisors (10205987).

49742005 is a wasteful number, since it uses less digits than its factorization.

49742005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42935.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 49742005 is about 7052.8012165380. The cubic root of 49742005 is about 367.7684157498.

Adding to 49742005 its reverse (50024794), we get a palindrome (99766799).

The spelling of 49742005 in words is "forty-nine million, seven hundred forty-two thousand, five".