72100411 has 2 divisors, whose sum is σ = 72100412. Its totient is φ = 72100410.

The previous prime is 72100393. The next prime is 72100481. The reversal of 72100411 is 11400127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72100411 - 2⁷ = 72100283 is a prime.

It is not a weakly prime, because it can be changed into another prime (72100481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36050205 + 36050206.

It is an arithmetic number, because the mean of its divisors is an integer number (36050206).

Almost surely, 2^72100411 is an apocalyptic number.

72100411 is a deficient number, since it is larger than the sum of its proper divisors (1).

72100411 is an equidigital number, since it uses as much as digits as its factorization.

72100411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 72100411 is about 8491.1960877134. The cubic root of 72100411 is about 416.2100667201.

Adding to 72100411 its reverse (11400127), we get a palindrome (83500538).

The spelling of 72100411 in words is "seventy-two million, one hundred thousand, four hundred eleven".