44727661 has 4 divisors (see below), whose sum is σ = 48793824. Its totient is φ = 40661500.

The previous prime is 44727607. The next prime is 44727671. The reversal of 44727661 is 16672744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44727661 - 2⁷ = 44727533 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 44727661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44727671) 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, 2033065 + ... + 2033086.

It is an arithmetic number, because the mean of its divisors is an integer number (12198456).

Almost surely, 2^44727661 is an apocalyptic number.

It is an amenable number.

44727661 is a deficient number, since it is larger than the sum of its proper divisors (4066163).

44727661 is a wasteful number, since it uses less digits than its factorization.

44727661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066162.

The product of its digits is 56448, while the sum is 37.

The square root of 44727661 is about 6687.8741764480. The cubic root of 44727661 is about 354.9703367399.

The spelling of 44727661 in words is "forty-four million, seven hundred twenty-seven thousand, six hundred sixty-one".