49742906 has 4 divisors (see below), whose sum is σ = 74614362. Its totient is φ = 24871452.

The previous prime is 49742887. The next prime is 49742921. The reversal of 49742906 is 60924794.

49742906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 41280625 + 8462281 = 6425^2 + 2909^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12435725 + ... + 12435728.

Almost surely, 2^49742906 is an apocalyptic number.

49742906 is a deficient number, since it is larger than the sum of its proper divisors (24871456).

49742906 is a wasteful number, since it uses less digits than its factorization.

49742906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24871455.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 49742906 is about 7052.8650915780. The cubic root of 49742906 is about 367.7706362563.

The spelling of 49742906 in words is "forty-nine million, seven hundred forty-two thousand, nine hundred six".