44574661 has 4 divisors (see below), whose sum is σ = 44832492. Its totient is φ = 44316832.

The previous prime is 44574641. The next prime is 44574679. The reversal of 44574661 is 16647544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17690436 + 26884225 = 4206^2 + 5185^2 .

It is a cyclic number.

It is not a de Polignac number, because 44574661 - 2⁷ = 44574533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44574661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44574611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128656 + ... + 129001.

It is an arithmetic number, because the mean of its divisors is an integer number (11208123).

Almost surely, 2^44574661 is an apocalyptic number.

It is an amenable number.

44574661 is a deficient number, since it is larger than the sum of its proper divisors (257831).

44574661 is a wasteful number, since it uses less digits than its factorization.

44574661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257830.

The product of its digits is 80640, while the sum is 37.

The square root of 44574661 is about 6676.4257653328. The cubic root of 44574661 is about 354.5651251035.

The spelling of 44574661 in words is "forty-four million, five hundred seventy-four thousand, six hundred sixty-one".