75494223 has 12 divisors (see below), whose sum is σ = 124625488. Its totient is φ = 43139520.

The previous prime is 75494213. The next prime is 75494273. The reversal of 75494223 is 32249457.

It is not a de Polignac number, because 75494223 - 2²⁰ = 74445647 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 (75494203) 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 11 ways as a sum of consecutive naturals, for example, 599098 + ... + 599223.

Almost surely, 2^75494223 is an apocalyptic number.

75494223 is a deficient number, since it is larger than the sum of its proper divisors (49131265).

75494223 is a wasteful number, since it uses less digits than its factorization.

75494223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198334 (or 1198331 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 75494223 is about 8688.7411631375. The cubic root of 75494223 is about 422.6406249677.

The spelling of 75494223 in words is "seventy-five million, four hundred ninety-four thousand, two hundred twenty-three".