75421363 has 4 divisors (see below), whose sum is σ = 76015360. Its totient is φ = 74827368.

The previous prime is 75421361. The next prime is 75421391. The reversal of 75421363 is 36312457.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75421363 - 2¹ = 75421361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75421361) 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, 296808 + ... + 297061.

It is an arithmetic number, because the mean of its divisors is an integer number (19003840).

Almost surely, 2^75421363 is an apocalyptic number.

75421363 is a deficient number, since it is larger than the sum of its proper divisors (593997).

75421363 is a wasteful number, since it uses less digits than its factorization.

75421363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593996.

The product of its digits is 15120, while the sum is 31.

The square root of 75421363 is about 8684.5473687464. The cubic root of 75421363 is about 422.5046167347.

The spelling of 75421363 in words is "seventy-five million, four hundred twenty-one thousand, three hundred sixty-three".