75574423 has 2 divisors, whose sum is σ = 75574424. Its totient is φ = 75574422.

The previous prime is 75574417. The next prime is 75574427. The reversal of 75574423 is 32447557.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75574423 - 2⁵ = 75574391 is a prime.

It is a super-2 number, since 2×75574423² = 11422986823565858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75574427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37787211 + 37787212.

It is an arithmetic number, because the mean of its divisors is an integer number (37787212).

Almost surely, 2^75574423 is an apocalyptic number.

75574423 is a deficient number, since it is larger than the sum of its proper divisors (1).

75574423 is an equidigital number, since it uses as much as digits as its factorization.

75574423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 37.

The square root of 75574423 is about 8693.3551060566. The cubic root of 75574423 is about 422.7902336882.

The spelling of 75574423 in words is "seventy-five million, five hundred seventy-four thousand, four hundred twenty-three".