75045969 has 12 divisors (see below), whose sum is σ = 108524416. Its totient is φ = 49973112.

The previous prime is 75045937. The next prime is 75045977. The reversal of 75045969 is 96954057.

It is a happy number.

75045969 is a `hidden beast` number, since 7 + 50 + 4 + 596 + 9 = 666.

It is not a de Polignac number, because 75045969 - 2⁵ = 75045937 is a prime.

It is a super-2 number, since 2×75045969² = 11263794926297922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75041969) 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, 4392 + ... + 13014.

Almost surely, 2^75045969 is an apocalyptic number.

It is an amenable number.

75045969 is a deficient number, since it is larger than the sum of its proper divisors (33478447).

75045969 is a wasteful number, since it uses less digits than its factorization.

75045969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9596 (or 9593 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 75045969 is about 8662.9076527457. The cubic root of 75045969 is about 421.8024745121.

The spelling of 75045969 in words is "seventy-five million, forty-five thousand, nine hundred sixty-nine".