75223741 has 2 divisors, whose sum is σ = 75223742. Its totient is φ = 75223740.

The previous prime is 75223739. The next prime is 75223787. The reversal of 75223741 is 14732257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46376100 + 28847641 = 6810^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 75223741 - 2¹ = 75223739 is a prime.

It is a super-2 number, since 2×75223741² = 11317222420070162, which contains 22 as substring.

Together with 75223739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75223711) 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, 37611870 + 37611871.

It is an arithmetic number, because the mean of its divisors is an integer number (37611871).

Almost surely, 2^75223741 is an apocalyptic number.

It is an amenable number.

75223741 is a deficient number, since it is larger than the sum of its proper divisors (1).

75223741 is an equidigital number, since it uses as much as digits as its factorization.

75223741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 75223741 is about 8673.1621107875. The cubic root of 75223741 is about 422.1352729261.

Adding to 75223741 its reverse (14732257), we get a palindrome (89955998).

The spelling of 75223741 in words is "seventy-five million, two hundred twenty-three thousand, seven hundred forty-one".