75353399 has 4 divisors (see below), whose sum is σ = 82203720. Its totient is φ = 68503080.

The previous prime is 75353393. The next prime is 75353407. The reversal of 75353399 is 99335357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99335357 = 11 ⋅9030487.

It is a cyclic number.

It is not a de Polignac number, because 75353399 - 2²⁰ = 74304823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75353393) 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, 3425144 + ... + 3425165.

It is an arithmetic number, because the mean of its divisors is an integer number (20550930).

Almost surely, 2^75353399 is an apocalyptic number.

75353399 is a deficient number, since it is larger than the sum of its proper divisors (6850321).

75353399 is a wasteful number, since it uses less digits than its factorization.

75353399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850320.

The product of its digits is 382725, while the sum is 44.

The square root of 75353399 is about 8680.6335598273. The cubic root of 75353399 is about 422.3776689123.

The spelling of 75353399 in words is "seventy-five million, three hundred fifty-three thousand, three hundred ninety-nine".