44161730 has 16 divisors (see below), whose sum is σ = 79791480. Its totient is φ = 17597952.

The previous prime is 44161723. The next prime is 44161739. The reversal of 44161730 is 3716144.

It can be written as a sum of positive squares in 4 ways, for example, as 18931201 + 25230529 = 4351^2 + 5023^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44161730.

It is not an unprimeable number, because it can be changed into a prime (44161739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5519 + ... + 10898.

Almost surely, 2^44161730 is an apocalyptic number.

44161730 is a deficient number, since it is larger than the sum of its proper divisors (35629750).

44161730 is a wasteful number, since it uses less digits than its factorization.

44161730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16693.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 44161730 is about 6645.4292562633. The cubic root of 44161730 is about 353.4668525490.

Adding to 44161730 its reverse (3716144), we get a palindrome (47877874).

The spelling of 44161730 in words is "forty-four million, one hundred sixty-one thousand, seven hundred thirty".