44749740 has 144 divisors (see below), whose sum is σ = 150764544. Its totient is φ = 9878400.

The previous prime is 44749739. The next prime is 44749741. The reversal of 44749740 is 4794744.

It is an interprime number because it is at equal distance from previous prime (44749739) and next prime (44749741).

It is not an unprimeable number, because it can be changed into a prime (44749741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90895 + ... + 91385.

It is an arithmetic number, because the mean of its divisors is an integer number (1046976).

Almost surely, 2^44749740 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 44749740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75382272).

44749740 is an abundant number, since it is smaller than the sum of its proper divisors (106014804).

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

44749740 is a wasteful number, since it uses less digits than its factorization.

44749740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 44749740 is about 6689.5246467892. The cubic root of 44749740 is about 355.0287353583.

The spelling of 44749740 in words is "forty-four million, seven hundred forty-nine thousand, seven hundred forty".