72122341 has 2 divisors, whose sum is σ = 72122342. Its totient is φ = 72122340.

The previous prime is 72122329. The next prime is 72122359. The reversal of 72122341 is 14322127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58216900 + 13905441 = 7630^2 + 3729^2 .

It is an emirp because it is prime and its reverse (14322127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72122341 - 2¹⁵ = 72089573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72122441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36061170 + 36061171.

It is an arithmetic number, because the mean of its divisors is an integer number (36061171).

Almost surely, 2^72122341 is an apocalyptic number.

It is an amenable number.

72122341 is a deficient number, since it is larger than the sum of its proper divisors (1).

72122341 is an equidigital number, since it uses as much as digits as its factorization.

72122341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 22.

The square root of 72122341 is about 8492.4873270438. The cubic root of 72122341 is about 416.2522604764.

Adding to 72122341 its reverse (14322127), we get a palindrome (86444468).

The spelling of 72122341 in words is "seventy-two million, one hundred twenty-two thousand, three hundred forty-one".