75672241 has 2 divisors, whose sum is σ = 75672242. Its totient is φ = 75672240.

The previous prime is 75672239. The next prime is 75672251. The reversal of 75672241 is 14227657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71656225 + 4016016 = 8465^2 + 2004^2 .

It is a cyclic number.

It is not a de Polignac number, because 75672241 - 2¹ = 75672239 is a prime.

Together with 75672239, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 75672197 and 75672206.

It is not a weakly prime, because it can be changed into another prime (75672221) 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, 37836120 + 37836121.

It is an arithmetic number, because the mean of its divisors is an integer number (37836121).

Almost surely, 2^75672241 is an apocalyptic number.

It is an amenable number.

75672241 is a deficient number, since it is larger than the sum of its proper divisors (1).

75672241 is an equidigital number, since it uses as much as digits as its factorization.

75672241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 75672241 is about 8698.9793079418. The cubic root of 75672241 is about 422.9725646203.

Adding to 75672241 its reverse (14227657), we get a palindrome (89899898).

The spelling of 75672241 in words is "seventy-five million, six hundred seventy-two thousand, two hundred forty-one".