72812303 has 2 divisors, whose sum is σ = 72812304. Its totient is φ = 72812302.

The previous prime is 72812297. The next prime is 72812347. The reversal of 72812303 is 30321827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72812303 - 2⁶ = 72812239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72812393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36406151 + 36406152.

It is an arithmetic number, because the mean of its divisors is an integer number (36406152).

Almost surely, 2^72812303 is an apocalyptic number.

72812303 is a deficient number, since it is larger than the sum of its proper divisors (1).

72812303 is an equidigital number, since it uses as much as digits as its factorization.

72812303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 72812303 is about 8533.0125395431. The cubic root of 72812303 is about 417.5754161155.

It can be divided in two parts, 728 and 12303, that added together give a palindrome (13031).

The spelling of 72812303 in words is "seventy-two million, eight hundred twelve thousand, three hundred three".