544128073 has 8 divisors (see below), whose sum is σ = 563301000. Its totient is φ = 524982528.

The previous prime is 544128059. The next prime is 544128103. The reversal of 544128073 is 370821445.

It can be written as a sum of positive squares in 4 ways, for example, as 26656569 + 517471504 = 5163^2 + 22748^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 544128073 - 2⁵ = 544128041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544128773) 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, 38865 + ... + 50977.

It is an arithmetic number, because the mean of its divisors is an integer number (70412625).

Almost surely, 2^544128073 is an apocalyptic number.

It is an amenable number.

544128073 is a deficient number, since it is larger than the sum of its proper divisors (19172927).

544128073 is a wasteful number, since it uses less digits than its factorization.

544128073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 544128073 is about 23326.5529600925. The cubic root of 544128073 is about 816.3950778339.

The spelling of 544128073 in words is "five hundred forty-four million, one hundred twenty-eight thousand, seventy-three".