75705011 has 4 divisors (see below), whose sum is σ = 75789024. Its totient is φ = 75621000.

The previous prime is 75705001. The next prime is 75705017. The reversal of 75705011 is 11050757.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11050757 = 79 ⋅139883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75705011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75705017) 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, 40640 + ... + 42461.

It is an arithmetic number, because the mean of its divisors is an integer number (18947256).

Almost surely, 2^75705011 is an apocalyptic number.

75705011 is a deficient number, since it is larger than the sum of its proper divisors (84013).

75705011 is an equidigital number, since it uses as much as digits as its factorization.

75705011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84012.

The product of its (nonzero) digits is 1225, while the sum is 26.

The square root of 75705011 is about 8700.8626583805. The cubic root of 75705011 is about 423.0336121521.

Adding to 75705011 its reverse (11050757), we get a palindrome (86755768).

The spelling of 75705011 in words is "seventy-five million, seven hundred five thousand, eleven".