75049033 has 4 divisors (see below), whose sum is σ = 79463700. Its totient is φ = 70634368.

The previous prime is 75049027. The next prime is 75049043. The reversal of 75049033 is 33094057.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50168889 + 24880144 = 7083^2 + 4988^2 .

It is a cyclic number.

It is not a de Polignac number, because 75049033 - 2⁵ = 75049001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75048986 and 75049004.

It is not an unprimeable number, because it can be changed into a prime (75049043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207308 + ... + 2207341.

It is an arithmetic number, because the mean of its divisors is an integer number (19865925).

Almost surely, 2^75049033 is an apocalyptic number.

It is an amenable number.

75049033 is a deficient number, since it is larger than the sum of its proper divisors (4414667).

75049033 is a wasteful number, since it uses less digits than its factorization.

75049033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414666.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 75049033 is about 8663.0844968752. The cubic root of 75049033 is about 421.8082149279.

The spelling of 75049033 in words is "seventy-five million, forty-nine thousand, thirty-three".