75045669 has 8 divisors (see below), whose sum is σ = 100111200. Its totient is φ = 50005296.

The previous prime is 75045661. The next prime is 75045709. The reversal of 75045669 is 96654057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75045669 - 2³ = 75045661 is a prime.

It is a super-2 number, since 2×75045669² = 11263704871315122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 75045669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75045661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382 + ... + 12480.

It is an arithmetic number, because the mean of its divisors is an integer number (12513900).

Almost surely, 2^75045669 is an apocalyptic number.

It is an amenable number.

75045669 is a deficient number, since it is larger than the sum of its proper divisors (25065531).

75045669 is a wasteful number, since it uses less digits than its factorization.

75045669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12579.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 75045669 is about 8662.8903375259. The cubic root of 75045669 is about 421.8019124526.

The spelling of 75045669 in words is "seventy-five million, forty-five thousand, six hundred sixty-nine".