49434728 has 48 divisors (see below), whose sum is σ = 112531680. Its totient is φ = 20261472.

The previous prime is 49434727. The next prime is 49434733. The reversal of 49434728 is 82743494.

It is not an unprimeable number, because it can be changed into a prime (49434727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6275 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (2344410).

Almost surely, 2^49434728 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 49434728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56265840).

49434728 is an abundant number, since it is smaller than the sum of its proper divisors (63096952).

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

49434728 is a wasteful number, since it uses less digits than its factorization.

49434728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526 (or 5515 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 49434728 is about 7030.9834305024. The cubic root of 49434728 is about 367.0095649961.

The spelling of 49434728 in words is "forty-nine million, four hundred thirty-four thousand, seven hundred twenty-eight".