44744742 has 72 divisors (see below), whose sum is σ = 114155496. Its totient is φ = 12628224.

The previous prime is 44744737. The next prime is 44744771. The reversal of 44744742 is 24744744.

It is a junction number, because it is equal to n+sod(n) for n = 44744697 and 44744706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85293 + ... + 85815.

It is an arithmetic number, because the mean of its divisors is an integer number (1585493).

Almost surely, 2^44744742 is an apocalyptic number.

44744742 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 44744742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57077748).

44744742 is an abundant number, since it is smaller than the sum of its proper divisors (69410754).

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

44744742 is a wasteful number, since it uses less digits than its factorization.

44744742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 632 counting only the distinct ones).

The product of its digits is 100352, while the sum is 36.

The square root of 44744742 is about 6689.1510672132. The cubic root of 44744742 is about 355.0155174067.

It can be divided in two parts, 4474 and 4742, that added together give a square (9216 = 96²).

The spelling of 44744742 in words is "forty-four million, seven hundred forty-four thousand, seven hundred forty-two".