75421199 has 16 divisors (see below), whose sum is σ = 89664000. Its totient is φ = 62070624.

The previous prime is 75421153. The next prime is 75421201. The reversal of 75421199 is 99112457.

It is not a de Polignac number, because 75421199 - 2²⁴ = 58643983 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 (75421139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39464 + ... + 41330.

It is an arithmetic number, because the mean of its divisors is an integer number (5604000).

Almost surely, 2^75421199 is an apocalyptic number.

75421199 is a deficient number, since it is larger than the sum of its proper divisors (14242801).

75421199 is a wasteful number, since it uses less digits than its factorization.

75421199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102.

The product of its digits is 22680, while the sum is 38.

The square root of 75421199 is about 8684.5379266833. The cubic root of 75421199 is about 422.5043104960.

The spelling of 75421199 in words is "seventy-five million, four hundred twenty-one thousand, one hundred ninety-nine".