72575263 has 2 divisors, whose sum is σ = 72575264. Its totient is φ = 72575262.

The previous prime is 72575257. The next prime is 72575273. The reversal of 72575263 is 36257527.

It is a weak prime.

It is an emirp because it is prime and its reverse (36257527) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72575263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72575203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36287631 + 36287632.

It is an arithmetic number, because the mean of its divisors is an integer number (36287632).

Almost surely, 2^72575263 is an apocalyptic number.

72575263 is a deficient number, since it is larger than the sum of its proper divisors (1).

72575263 is an equidigital number, since it uses as much as digits as its factorization.

72575263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 37.

The square root of 72575263 is about 8519.1116320893. Note that the first 3 decimals coincide. The cubic root of 72575263 is about 417.1217854374.

The spelling of 72575263 in words is "seventy-two million, five hundred seventy-five thousand, two hundred sixty-three".