72345041 has 12 divisors (see below), whose sum is σ = 75738096. Its totient is φ = 69091560.

The previous prime is 72345029. The next prime is 72345071. The reversal of 72345041 is 14054327.

It is not a de Polignac number, because 72345041 - 2²² = 68150737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72345041.

It is not an unprimeable number, because it can be changed into a prime (72345011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79310 + ... + 80216.

It is an arithmetic number, because the mean of its divisors is an integer number (6311508).

Almost surely, 2^72345041 is an apocalyptic number.

It is an amenable number.

72345041 is a deficient number, since it is larger than the sum of its proper divisors (3393055).

72345041 is an equidigital number, since it uses as much as digits as its factorization.

72345041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 72345041 is about 8505.5888097180. The cubic root of 72345041 is about 416.6802560546.

Adding to 72345041 its reverse (14054327), we get a palindrome (86399368).

The spelling of 72345041 in words is "seventy-two million, three hundred forty-five thousand, forty-one".