72371141 has 2 divisors, whose sum is σ = 72371142. Its totient is φ = 72371140.

The previous prime is 72371119. The next prime is 72371161. The reversal of 72371141 is 14117327.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72165025 + 206116 = 8495^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 72371141 - 2²⁶ = 5262277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72371141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72371161) 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 as a sum of consecutive naturals, namely, 36185570 + 36185571.

It is an arithmetic number, because the mean of its divisors is an integer number (36185571).

Almost surely, 2^72371141 is an apocalyptic number.

It is an amenable number.

72371141 is a deficient number, since it is larger than the sum of its proper divisors (1).

72371141 is an equidigital number, since it uses as much as digits as its factorization.

72371141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 72371141 is about 8507.1229566758. The cubic root of 72371141 is about 416.7303587612.

Adding to 72371141 its reverse (14117327), we get a palindrome (86488468).

The spelling of 72371141 in words is "seventy-two million, three hundred seventy-one thousand, one hundred forty-one".