44947665 has 48 divisors (see below), whose sum is σ = 89526528. Its totient is φ = 20435328.

The previous prime is 44947663. The next prime is 44947729. The reversal of 44947665 is 56674944.

It is not a de Polignac number, because 44947665 - 2¹ = 44947663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 44947665.

It is not an unprimeable number, because it can be changed into a prime (44947663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92052 + ... + 92538.

It is an arithmetic number, because the mean of its divisors is an integer number (1865136).

Almost surely, 2^44947665 is an apocalyptic number.

44947665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44947665 is a deficient number, since it is larger than the sum of its proper divisors (44578863).

44947665 is a wasteful number, since it uses less digits than its factorization.

44947665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 795 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 44947665 is about 6704.3019770890. The cubic root of 44947665 is about 355.5513880624.

The spelling of 44947665 in words is "forty-four million, nine hundred forty-seven thousand, six hundred sixty-five".