72669341 has 2 divisors, whose sum is σ = 72669342. Its totient is φ = 72669340.

The previous prime is 72669329. The next prime is 72669347. The reversal of 72669341 is 14396627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53963716 + 18705625 = 7346^2 + 4325^2 .

It is a cyclic number.

It is not a de Polignac number, because 72669341 - 2¹⁰ = 72668317 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72669295 and 72669304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72669347) 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, 36334670 + 36334671.

It is an arithmetic number, because the mean of its divisors is an integer number (36334671).

Almost surely, 2^72669341 is an apocalyptic number.

It is an amenable number.

72669341 is a deficient number, since it is larger than the sum of its proper divisors (1).

72669341 is an equidigital number, since it uses as much as digits as its factorization.

72669341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 72669341 is about 8524.6314289827. The cubic root of 72669341 is about 417.3019434218.

The spelling of 72669341 in words is "seventy-two million, six hundred sixty-nine thousand, three hundred forty-one".