75730033 has 4 divisors (see below), whose sum is σ = 76860400. Its totient is φ = 74599668.

The previous prime is 75730027. The next prime is 75730063. The reversal of 75730033 is 33003757.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33003757 = 227 ⋅145391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75730033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75729983 and 75730010.

It is not an unprimeable number, because it can be changed into a prime (75730003) 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, 565083 + ... + 565216.

It is an arithmetic number, because the mean of its divisors is an integer number (19215100).

Almost surely, 2^75730033 is an apocalyptic number.

It is an amenable number.

75730033 is a deficient number, since it is larger than the sum of its proper divisors (1130367).

75730033 is a wasteful number, since it uses less digits than its factorization.

75730033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130366.

The product of its (nonzero) digits is 6615, while the sum is 28.

The square root of 75730033 is about 8702.3004429863. The cubic root of 75730033 is about 423.0802140036.

The spelling of 75730033 in words is "seventy-five million, seven hundred thirty thousand, thirty-three".