49724748 has 72 divisors (see below), whose sum is σ = 133515200. Its totient is φ = 15559776.

The previous prime is 49724747. The next prime is 49724777. The reversal of 49724748 is 84742794.

It is not an unprimeable number, because it can be changed into a prime (49724743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94815 + ... + 95337.

Almost surely, 2^49724748 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 49724748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66757600).

49724748 is an abundant number, since it is smaller than the sum of its proper divisors (83790452).

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

49724748 is a wasteful number, since it uses less digits than its factorization.

49724748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 686 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 49724748 is about 7051.5776958068. The cubic root of 49724748 is about 367.7258808498.

The spelling of 49724748 in words is "forty-nine million, seven hundred twenty-four thousand, seven hundred forty-eight".