72936911 has 2 divisors, whose sum is σ = 72936912. Its totient is φ = 72936910.

The previous prime is 72936889. The next prime is 72936923. The reversal of 72936911 is 11963927.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11963927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72936911 - 2¹⁰ = 72935887 is a prime.

It is a Sophie Germain 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 (72936811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36468455 + 36468456.

It is an arithmetic number, because the mean of its divisors is an integer number (36468456).

Almost surely, 2^72936911 is an apocalyptic number.

72936911 is a deficient number, since it is larger than the sum of its proper divisors (1).

72936911 is an equidigital number, since it uses as much as digits as its factorization.

72936911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 38.

The square root of 72936911 is about 8540.3109428170. The cubic root of 72936911 is about 417.8134875264.

The spelling of 72936911 in words is "seventy-two million, nine hundred thirty-six thousand, nine hundred eleven".