75043069 has 2 divisors, whose sum is σ = 75043070. Its totient is φ = 75043068.

The previous prime is 75043061. The next prime is 75043159. The reversal of 75043069 is 96034057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73188025 + 1855044 = 8555^2 + 1362^2 .

It is a cyclic number.

It is not a de Polignac number, because 75043069 - 2³ = 75043061 is a prime.

It is a super-2 number, since 2×75043069² = 11262924409877522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75043061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37521534 + 37521535.

It is an arithmetic number, because the mean of its divisors is an integer number (37521535).

Almost surely, 2^75043069 is an apocalyptic number.

It is an amenable number.

75043069 is a deficient number, since it is larger than the sum of its proper divisors (1).

75043069 is an equidigital number, since it uses as much as digits as its factorization.

75043069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 75043069 is about 8662.7402708381. The cubic root of 75043069 is about 421.7970412070.

The spelling of 75043069 in words is "seventy-five million, forty-three thousand, sixty-nine".