75772135 has 4 divisors (see below), whose sum is σ = 90926568. Its totient is φ = 60617704.

The previous prime is 75772127. The next prime is 75772159. The reversal of 75772135 is 53127757.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53127757 = 7247 ⋅7331.

It is a cyclic number.

It is not a de Polignac number, because 75772135 - 2³ = 75772127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75772094 and 75772103.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7577209 + ... + 7577218.

It is an arithmetic number, because the mean of its divisors is an integer number (22731642).

Almost surely, 2^75772135 is an apocalyptic number.

75772135 is a deficient number, since it is larger than the sum of its proper divisors (15154433).

75772135 is a wasteful number, since it uses less digits than its factorization.

75772135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15154432.

The product of its digits is 51450, while the sum is 37.

The square root of 75772135 is about 8704.7191224071. The cubic root of 75772135 is about 423.1586030854.

The spelling of 75772135 in words is "seventy-five million, seven hundred seventy-two thousand, one hundred thirty-five".