75536761 has 8 divisors (see below), whose sum is σ = 82969920. Its totient is φ = 68449392.

The previous prime is 75536753. The next prime is 75536777. The reversal of 75536761 is 16763557.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75536761 - 2³ = 75536753 is a prime.

It is a super-2 number, since 2×75536761² = 11411604524742242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75536701) 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, 85990 + ... + 86863.

It is an arithmetic number, because the mean of its divisors is an integer number (10371240).

Almost surely, 2^75536761 is an apocalyptic number.

It is an amenable number.

75536761 is a deficient number, since it is larger than the sum of its proper divisors (7433159).

75536761 is a wasteful number, since it uses less digits than its factorization.

75536761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172895.

The product of its digits is 132300, while the sum is 40.

The square root of 75536761 is about 8691.1886989065. The cubic root of 75536761 is about 422.7199904722.

The spelling of 75536761 in words is "seventy-five million, five hundred thirty-six thousand, seven hundred sixty-one".