44672065 has 4 divisors (see below), whose sum is σ = 53606484. Its totient is φ = 35737648.

The previous prime is 44672063. The next prime is 44672071. The reversal of 44672065 is 56027644.

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 12873744 + 31798321 = 3588^2 + 5639^2 .

It is a cyclic number.

It is not a de Polignac number, because 44672065 - 2¹ = 44672063 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 44672065.

It is not an unprimeable number, because it can be changed into a prime (44672063) 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, 4467202 + ... + 4467211.

It is an arithmetic number, because the mean of its divisors is an integer number (13401621).

Almost surely, 2^44672065 is an apocalyptic number.

It is an amenable number.

44672065 is a deficient number, since it is larger than the sum of its proper divisors (8934419).

44672065 is an equidigital number, since it uses as much as digits as its factorization.

44672065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934418.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 44672065 is about 6683.7164063117. The cubic root of 44672065 is about 354.8232009942.

The spelling of 44672065 in words is "forty-four million, six hundred seventy-two thousand, sixty-five".