75372223 has 2 divisors, whose sum is σ = 75372224. Its totient is φ = 75372222.

The previous prime is 75372197. The next prime is 75372257. The reversal of 75372223 is 32227357.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75372223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75372263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37686111 + 37686112.

It is an arithmetic number, because the mean of its divisors is an integer number (37686112).

Almost surely, 2^75372223 is an apocalyptic number.

75372223 is a deficient number, since it is larger than the sum of its proper divisors (1).

75372223 is an equidigital number, since it uses as much as digits as its factorization.

75372223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 31.

The square root of 75372223 is about 8681.7177447784. The cubic root of 75372223 is about 422.4128373116.

The spelling of 75372223 in words is "seventy-five million, three hundred seventy-two thousand, two hundred twenty-three".