75383421 has 8 divisors (see below), whose sum is σ = 101186400. Its totient is φ = 49918032.

The previous prime is 75383417. The next prime is 75383447. The reversal of 75383421 is 12438357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75383421 - 2² = 75383417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75383401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83875 + ... + 84768.

It is an arithmetic number, because the mean of its divisors is an integer number (12648300).

Almost surely, 2^75383421 is an apocalyptic number.

It is an amenable number.

75383421 is a deficient number, since it is larger than the sum of its proper divisors (25802979).

75383421 is a wasteful number, since it uses less digits than its factorization.

75383421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168795.

The product of its digits is 20160, while the sum is 33.

The square root of 75383421 is about 8682.3626392820. The cubic root of 75383421 is about 422.4337554718.

The spelling of 75383421 in words is "seventy-five million, three hundred eighty-three thousand, four hundred twenty-one".