72844041 has 4 divisors (see below), whose sum is σ = 97125392. Its totient is φ = 48562692.

The previous prime is 72844033. The next prime is 72844049. The reversal of 72844041 is 14044827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14044827 = 3 ⋅4681609.

It is an interprime number because it is at equal distance from previous prime (72844033) and next prime (72844049).

It is not a de Polignac number, because 72844041 - 2³ = 72844033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72844049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12140671 + ... + 12140676.

It is an arithmetic number, because the mean of its divisors is an integer number (24281348).

Almost surely, 2^72844041 is an apocalyptic number.

It is an amenable number.

72844041 is a deficient number, since it is larger than the sum of its proper divisors (24281351).

72844041 is a wasteful number, since it uses less digits than its factorization.

72844041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24281350.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 72844041 is about 8534.8720552800. The cubic root of 72844041 is about 417.6360793225.

Adding to 72844041 its reverse (14044827), we get a palindrome (86888868).

It can be divided in two parts, 7284 and 4041, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 72844041 in words is "seventy-two million, eight hundred forty-four thousand, forty-one".