75765147 has 16 divisors (see below), whose sum is σ = 105047040. Its totient is φ = 48520800.

The previous prime is 75765127. The next prime is 75765149. The reversal of 75765147 is 74156757.

It is not a de Polignac number, because 75765147 - 2⁶ = 75765083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75765099 and 75765108.

It is not an unprimeable number, because it can be changed into a prime (75765149) 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 15 ways as a sum of consecutive naturals, for example, 9997 + ... + 15857.

It is an arithmetic number, because the mean of its divisors is an integer number (6565440).

Almost surely, 2^75765147 is an apocalyptic number.

75765147 is a deficient number, since it is larger than the sum of its proper divisors (29281893).

75765147 is a wasteful number, since it uses less digits than its factorization.

75765147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034.

The product of its digits is 205800, while the sum is 42.

The square root of 75765147 is about 8704.3177216827. The cubic root of 75765147 is about 423.1455942433.

The spelling of 75765147 in words is "seventy-five million, seven hundred sixty-five thousand, one hundred forty-seven".