72380411 has 2 divisors, whose sum is σ = 72380412. Its totient is φ = 72380410.

The previous prime is 72380401. The next prime is 72380419. The reversal of 72380411 is 11408327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72380411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72380419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36190205 + 36190206.

It is an arithmetic number, because the mean of its divisors is an integer number (36190206).

Almost surely, 2^72380411 is an apocalyptic number.

72380411 is a deficient number, since it is larger than the sum of its proper divisors (1).

72380411 is an equidigital number, since it uses as much as digits as its factorization.

72380411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 72380411 is about 8507.6677767764. The cubic root of 72380411 is about 416.7481509615.

Adding to 72380411 its reverse (11408327), we get a palindrome (83788738).

The spelling of 72380411 in words is "seventy-two million, three hundred eighty thousand, four hundred eleven".