75536137 has 4 divisors (see below), whose sum is σ = 75606340. Its totient is φ = 75465936.

The previous prime is 75536053. The next prime is 75536141. The reversal of 75536137 is 73163557.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63536841 + 11999296 = 7971^2 + 3464^2 .

It is a cyclic number.

It is not a de Polignac number, because 75536137 - 2¹¹ = 75534089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75536096 and 75536105.

It is not an unprimeable number, because it can be changed into a prime (75536177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33462 + ... + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (18901585).

Almost surely, 2^75536137 is an apocalyptic number.

It is an amenable number.

75536137 is a deficient number, since it is larger than the sum of its proper divisors (70203).

75536137 is a wasteful number, since it uses less digits than its factorization.

75536137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70202.

The product of its digits is 66150, while the sum is 37.

The square root of 75536137 is about 8691.1528004057. The cubic root of 75536137 is about 422.7188264561.

The spelling of 75536137 in words is "seventy-five million, five hundred thirty-six thousand, one hundred thirty-seven".