72648341 has 2 divisors, whose sum is σ = 72648342. Its totient is φ = 72648340.

The previous prime is 72648337. The next prime is 72648347. The reversal of 72648341 is 14384627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69372241 + 3276100 = 8329^2 + 1810^2 .

It is a cyclic number.

It is not a de Polignac number, because 72648341 - 2² = 72648337 is a prime.

It is a Chen prime.

It is equal to p_4264595 and since 72648341 and 4264595 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72648347) 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, 36324170 + 36324171.

It is an arithmetic number, because the mean of its divisors is an integer number (36324171).

Almost surely, 2^72648341 is an apocalyptic number.

It is an amenable number.

72648341 is a deficient number, since it is larger than the sum of its proper divisors (1).

72648341 is an equidigital number, since it uses as much as digits as its factorization.

72648341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 72648341 is about 8523.3996151770. The cubic root of 72648341 is about 417.2617422174.

The spelling of 72648341 in words is "seventy-two million, six hundred forty-eight thousand, three hundred forty-one".