49647744 has 96 divisors (see below), whose sum is σ = 145117440. Its totient is φ = 16289280.

The previous prime is 49647707. The next prime is 49647749. The reversal of 49647744 is 44774694.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 49647744.

It is not an unprimeable number, because it can be changed into a prime (49647749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81489 + ... + 82095.

It is an arithmetic number, because the mean of its divisors is an integer number (1511640).

Almost surely, 2^49647744 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 49647744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72558720).

49647744 is an abundant number, since it is smaller than the sum of its proper divisors (95469696).

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

49647744 is a wasteful number, since it uses less digits than its factorization.

49647744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 683 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 49647744 is about 7046.1155255928. The cubic root of 49647744 is about 367.5359620507.

The spelling of 49647744 in words is "forty-nine million, six hundred forty-seven thousand, seven hundred forty-four".