72004041 has 24 divisors (see below), whose sum is σ = 107793920. Its totient is φ = 46267200.

The previous prime is 72004039. The next prime is 72004057. The reversal of 72004041 is 14040027.

It is a happy number.

It is not a de Polignac number, because 72004041 - 2¹ = 72004039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72004021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113796 + ... + 114426.

Almost surely, 2^72004041 is an apocalyptic number.

It is an amenable number.

72004041 is a deficient number, since it is larger than the sum of its proper divisors (35789879).

72004041 is a wasteful number, since it uses less digits than its factorization.

72004041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 72004041 is about 8485.5194891061. The cubic root of 72004041 is about 416.0245474451.

Adding to 72004041 its reverse (14040027), we get a palindrome (86044068).

The spelling of 72004041 in words is "seventy-two million, four thousand, forty-one".