75136811 has 16 divisors (see below), whose sum is σ = 81021600. Its totient is φ = 69465600.

The previous prime is 75136801. The next prime is 75136813. The reversal of 75136811 is 11863157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75136811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75136813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279185 + ... + 279453.

It is an arithmetic number, because the mean of its divisors is an integer number (5063850).

Almost surely, 2^75136811 is an apocalyptic number.

75136811 is a deficient number, since it is larger than the sum of its proper divisors (5884789).

75136811 is a wasteful number, since it uses less digits than its factorization.

75136811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its digits is 5040, while the sum is 32.

The square root of 75136811 is about 8668.1492257575. The cubic root of 75136811 is about 421.9726010378.

Adding to 75136811 its reverse (11863157), we get a palindrome (86999968).

The spelling of 75136811 in words is "seventy-five million, one hundred thirty-six thousand, eight hundred eleven".