72896753 has 2 divisors, whose sum is σ = 72896754. Its totient is φ = 72896752.

The previous prime is 72896713. The next prime is 72896797. The reversal of 72896753 is 35769827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72880369 + 16384 = 8537^2 + 128^2 .

It is an emirp because it is prime and its reverse (35769827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72896753 - 2¹⁶ = 72831217 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72896698 and 72896707.

It is not a weakly prime, because it can be changed into another prime (72896713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36448376 + 36448377.

It is an arithmetic number, because the mean of its divisors is an integer number (36448377).

Almost surely, 2^72896753 is an apocalyptic number.

It is an amenable number.

72896753 is a deficient number, since it is larger than the sum of its proper divisors (1).

72896753 is an equidigital number, since it uses as much as digits as its factorization.

72896753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 72896753 is about 8537.9595337528. The cubic root of 72896753 is about 417.7367927771.

The spelling of 72896753 in words is "seventy-two million, eight hundred ninety-six thousand, seven hundred fifty-three".