75400163 has 4 divisors (see below), whose sum is σ = 75422520. Its totient is φ = 75377808.

The previous prime is 75400159. The next prime is 75400183. The reversal of 75400163 is 36100457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36100457 = 193 ⋅187049.

It is a cyclic number.

It is not a de Polignac number, because 75400163 - 2² = 75400159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75400183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4970 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (18855630).

Almost surely, 2^75400163 is an apocalyptic number.

75400163 is a deficient number, since it is larger than the sum of its proper divisors (22357).

75400163 is a wasteful number, since it uses less digits than its factorization.

75400163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22356.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 75400163 is about 8683.3267242457. The cubic root of 75400163 is about 422.4650261072.

The spelling of 75400163 in words is "seventy-five million, four hundred thousand, one hundred sixty-three".