49673904 has 160 divisors (see below), whose sum is σ = 159989760. Its totient is φ = 12960000.

The previous prime is 49673903. The next prime is 49673909. The reversal of 49673904 is 40937694.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49673903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197779 + ... + 198029.

It is an arithmetic number, because the mean of its divisors is an integer number (999936).

Almost surely, 2^49673904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49673904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79994880).

49673904 is an abundant number, since it is smaller than the sum of its proper divisors (110315856).

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

49673904 is a wasteful number, since it uses less digits than its factorization.

49673904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 49673904 is about 7047.9716230984. The cubic root of 49673904 is about 367.6005037719.

The spelling of 49673904 in words is "forty-nine million, six hundred seventy-three thousand, nine hundred four".