75765949 has 8 divisors (see below), whose sum is σ = 86652608. Its totient is φ = 64895040.

The previous prime is 75765917. The next prime is 75765983. The reversal of 75765949 is 94956757.

It is a happy number.

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

It is not a de Polignac number, because 75765949 - 2⁵ = 75765917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75765896 and 75765905.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9394 + ... + 15484.

It is an arithmetic number, because the mean of its divisors is an integer number (10831576).

Almost surely, 2^75765949 is an apocalyptic number.

It is an amenable number.

75765949 is a deficient number, since it is larger than the sum of its proper divisors (10886659).

75765949 is a wasteful number, since it uses less digits than its factorization.

75765949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875.

The product of its digits is 2381400, while the sum is 52.

The square root of 75765949 is about 8704.3637906512. The cubic root of 75765949 is about 423.1470872849.

The spelling of 75765949 in words is "seventy-five million, seven hundred sixty-five thousand, nine hundred forty-nine".