75349343 has 4 divisors (see below), whose sum is σ = 75422088. Its totient is φ = 75276600.

The previous prime is 75349327. The next prime is 75349367. The reversal of 75349343 is 34394357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34394357 = 97 ⋅354581.

It is a cyclic number.

It is not a de Polignac number, because 75349343 - 2⁴ = 75349327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75349297 and 75349306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75349543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34796 + ... + 36897.

It is an arithmetic number, because the mean of its divisors is an integer number (18855522).

Almost surely, 2^75349343 is an apocalyptic number.

75349343 is a deficient number, since it is larger than the sum of its proper divisors (72745).

75349343 is a wasteful number, since it uses less digits than its factorization.

75349343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72744.

The product of its digits is 136080, while the sum is 38.

The square root of 75349343 is about 8680.3999331828. The cubic root of 75349343 is about 422.3700904240.

The spelling of 75349343 in words is "seventy-five million, three hundred forty-nine thousand, three hundred forty-three".