44721594 has 36 divisors (see below), whose sum is σ = 102943854. Its totient is φ = 14028672.

The previous prime is 44721583. The next prime is 44721617. The reversal of 44721594 is 49512744.

It is a happy number.

44721594 is a `hidden beast` number, since 4 + 47 + 21 + 594 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 44715969 + 5625 = 6687^2 + 75^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 904 + ... + 9500.

Almost surely, 2^44721594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44721594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51471927).

44721594 is an abundant number, since it is smaller than the sum of its proper divisors (58222260).

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

44721594 is a wasteful number, since it uses less digits than its factorization.

44721594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639 (or 8619 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 44721594 is about 6687.4205789676. The cubic root of 44721594 is about 354.9542862514.

The spelling of 44721594 in words is "forty-four million, seven hundred twenty-one thousand, five hundred ninety-four".