72852893 has 2 divisors, whose sum is σ = 72852894. Its totient is φ = 72852892.

The previous prime is 72852881. The next prime is 72852907. The reversal of 72852893 is 39825827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72812089 + 40804 = 8533^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 72852893 - 2¹⁰ = 72851869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72852193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36426446 + 36426447.

It is an arithmetic number, because the mean of its divisors is an integer number (36426447).

Almost surely, 2^72852893 is an apocalyptic number.

It is an amenable number.

72852893 is a deficient number, since it is larger than the sum of its proper divisors (1).

72852893 is an equidigital number, since it uses as much as digits as its factorization.

72852893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 72852893 is about 8535.3906178921. The cubic root of 72852893 is about 417.6529956677.

The spelling of 72852893 in words is "seventy-two million, eight hundred fifty-two thousand, eight hundred ninety-three".