72883841 has 2 divisors, whose sum is σ = 72883842. Its totient is φ = 72883840.

The previous prime is 72883819. The next prime is 72883847. The reversal of 72883841 is 14838827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68823616 + 4060225 = 8296^2 + 2015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72883841 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (72883847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36441920 + 36441921.

It is an arithmetic number, because the mean of its divisors is an integer number (36441921).

Almost surely, 2^72883841 is an apocalyptic number.

It is an amenable number.

72883841 is a deficient number, since it is larger than the sum of its proper divisors (1).

72883841 is an equidigital number, since it uses as much as digits as its factorization.

72883841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 41.

The square root of 72883841 is about 8537.2033477012. The cubic root of 72883841 is about 417.7121271336.

The spelling of 72883841 in words is "seventy-two million, eight hundred eighty-three thousand, eight hundred forty-one".