75404133 has 12 divisors (see below), whose sum is σ = 124476768. Its totient is φ = 43088040.

The previous prime is 75404111. The next prime is 75404167. The reversal of 75404133 is 33140457.

It is not a de Polignac number, because 75404133 - 2¹⁷ = 75273061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75404097 and 75404106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75404033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 598383 + ... + 598508.

It is an arithmetic number, because the mean of its divisors is an integer number (10373064).

Almost surely, 2^75404133 is an apocalyptic number.

It is an amenable number.

75404133 is a deficient number, since it is larger than the sum of its proper divisors (49072635).

75404133 is a wasteful number, since it uses less digits than its factorization.

75404133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196904 (or 1196901 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 75404133 is about 8683.5553202591. Note that the first 3 decimals coincide. The cubic root of 75404133 is about 422.4724405772.

The spelling of 75404133 in words is "seventy-five million, four hundred four thousand, one hundred thirty-three".