75224263 has 2 divisors, whose sum is σ = 75224264. Its totient is φ = 75224262.

The previous prime is 75224257. The next prime is 75224339. The reversal of 75224263 is 36242257.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75224263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75224063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37612131 + 37612132.

It is an arithmetic number, because the mean of its divisors is an integer number (37612132).

Almost surely, 2^75224263 is an apocalyptic number.

75224263 is a deficient number, since it is larger than the sum of its proper divisors (1).

75224263 is an equidigital number, since it uses as much as digits as its factorization.

75224263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 75224263 is about 8673.1922035661. The cubic root of 75224263 is about 422.1362493647.

The spelling of 75224263 in words is "seventy-five million, two hundred twenty-four thousand, two hundred sixty-three".