72635341 has 2 divisors, whose sum is σ = 72635342. Its totient is φ = 72635340.

The previous prime is 72635333. The next prime is 72635371. The reversal of 72635341 is 14353627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45292900 + 27342441 = 6730^2 + 5229^2 .

It is a cyclic number.

It is not a de Polignac number, because 72635341 - 2³ = 72635333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72635371) 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, 36317670 + 36317671.

It is an arithmetic number, because the mean of its divisors is an integer number (36317671).

Almost surely, 2^72635341 is an apocalyptic number.

It is an amenable number.

72635341 is a deficient number, since it is larger than the sum of its proper divisors (1).

72635341 is an equidigital number, since it uses as much as digits as its factorization.

72635341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 72635341 is about 8522.6369745519. The cubic root of 72635341 is about 417.2368518750.

Adding to 72635341 its reverse (14353627), we get a palindrome (86988968).

The spelling of 72635341 in words is "seventy-two million, six hundred thirty-five thousand, three hundred forty-one".