75427043 has 4 divisors (see below), whose sum is σ = 75644760. Its totient is φ = 75209328.

The previous prime is 75427013. The next prime is 75427069. The reversal of 75427043 is 34072457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34072457 = 3463 ⋅9839.

It is a cyclic number.

It is not a de Polignac number, because 75427043 - 2¹² = 75422947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75427013) 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 in 3 ways as a sum of consecutive naturals, for example, 108338 + ... + 109031.

It is an arithmetic number, because the mean of its divisors is an integer number (18911190).

Almost surely, 2^75427043 is an apocalyptic number.

75427043 is a deficient number, since it is larger than the sum of its proper divisors (217717).

75427043 is a wasteful number, since it uses less digits than its factorization.

75427043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217716.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 75427043 is about 8684.8743802084. The cubic root of 75427043 is about 422.5152227747.

The spelling of 75427043 in words is "seventy-five million, four hundred twenty-seven thousand, forty-three".