44730405 has 18 divisors (see below), whose sum is σ = 77610546. Its totient is φ = 23832288.

The previous prime is 44730403. The next prime is 44730431. The reversal of 44730405 is 50403744.

It can be written as a sum of positive squares in 3 ways, for example, as 19660356 + 25070049 = 4434^2 + 5007^2 .

It is not a de Polignac number, because 44730405 - 2¹ = 44730403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44730401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44367 + ... + 45363.

It is an arithmetic number, because the mean of its divisors is an integer number (4311697).

Almost surely, 2^44730405 is an apocalyptic number.

44730405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44730405 is a deficient number, since it is larger than the sum of its proper divisors (32880141).

44730405 is an frugal number, since it uses more digits than its factorization.

44730405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 44730405 is about 6688.0793207019. The cubic root of 44730405 is about 354.9775956237.

The spelling of 44730405 in words is "forty-four million, seven hundred thirty thousand, four hundred five".