49773906 has 96 divisors (see below), whose sum is σ = 138660480. Its totient is φ = 13118112.

The previous prime is 49773887. The next prime is 49773923. The reversal of 49773906 is 60937794.

49773906 is a `hidden beast` number, since 497 + 73 + 90 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 33675 + ... + 35121.

It is an arithmetic number, because the mean of its divisors is an integer number (1444380).

Almost surely, 2^49773906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49773906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69330240).

49773906 is an abundant number, since it is smaller than the sum of its proper divisors (88886574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49773906 is a wasteful number, since it uses less digits than its factorization.

49773906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 49773906 is about 7055.0624377110. The cubic root of 49773906 is about 367.8470191559.

The spelling of 49773906 in words is "forty-nine million, seven hundred seventy-three thousand, nine hundred six".