49281738 has 32 divisors (see below), whose sum is σ = 108603072. Its totient is φ = 14784000.

The previous prime is 49281737. The next prime is 49281751. The reversal of 49281738 is 83718294.

It is a self number, because there is not a number n which added to its sum of digits gives 49281738.

It is not an unprimeable number, because it can be changed into a prime (49281733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2970 + ... + 10362.

It is an arithmetic number, because the mean of its divisors is an integer number (3393846).

Almost surely, 2^49281738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49281738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54301536).

49281738 is an abundant number, since it is smaller than the sum of its proper divisors (59321334).

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

49281738 is a wasteful number, since it uses less digits than its factorization.

49281738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510.

The product of its digits is 96768, while the sum is 42.

The square root of 49281738 is about 7020.0952984984. The cubic root of 49281738 is about 366.6305681634.

It can be divided in two parts, 4928 and 1738, that added together give a palindrome (6666).

The spelling of 49281738 in words is "forty-nine million, two hundred eighty-one thousand, seven hundred thirty-eight".