44947578 has 48 divisors (see below), whose sum is σ = 102509280. Its totient is φ = 13096512.

The previous prime is 44947531. The next prime is 44947579. The reversal of 44947578 is 87574944.

It is not an unprimeable number, because it can be changed into a prime (44947579) 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, 18100 + ... + 20432.

It is an arithmetic number, because the mean of its divisors is an integer number (2135610).

Almost surely, 2^44947578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44947578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51254640).

44947578 is an abundant number, since it is smaller than the sum of its proper divisors (57561702).

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

44947578 is a wasteful number, since it uses less digits than its factorization.

44947578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2370 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 44947578 is about 6704.2954887147. The cubic root of 44947578 is about 355.5511586624.

The spelling of 44947578 in words is "forty-four million, nine hundred forty-seven thousand, five hundred seventy-eight".