72672311 has 2 divisors, whose sum is σ = 72672312. Its totient is φ = 72672310.

The previous prime is 72672251. The next prime is 72672349. The reversal of 72672311 is 11327627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72672311 - 2¹⁴ = 72655927 is a 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 (72674311) 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, 36336155 + 36336156.

It is an arithmetic number, because the mean of its divisors is an integer number (36336156).

Almost surely, 2^72672311 is an apocalyptic number.

72672311 is a deficient number, since it is larger than the sum of its proper divisors (1).

72672311 is an equidigital number, since it uses as much as digits as its factorization.

72672311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 29.

The square root of 72672311 is about 8524.8056282827. The cubic root of 72672311 is about 417.3076283955.

Adding to 72672311 its reverse (11327627), we get a palindrome (83999938).

It can be divided in two parts, 726 and 72311, that added together give a palindrome (73037).

The spelling of 72672311 in words is "seventy-two million, six hundred seventy-two thousand, three hundred eleven".