75040115 has 4 divisors (see below), whose sum is σ = 90048144. Its totient is φ = 60032088.

The previous prime is 75040093. The next prime is 75040211. The reversal of 75040115 is 51104057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51104057 = 17 ⋅3006121.

It is a cyclic number.

It is not a de Polignac number, because 75040115 - 2¹⁴ = 75023731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7504007 + ... + 7504016.

It is an arithmetic number, because the mean of its divisors is an integer number (22512036).

Almost surely, 2^75040115 is an apocalyptic number.

75040115 is a deficient number, since it is larger than the sum of its proper divisors (15008029).

75040115 is a wasteful number, since it uses less digits than its factorization.

75040115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15008028.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 75040115 is about 8662.5697688388. The cubic root of 75040115 is about 421.7915065862.

The spelling of 75040115 in words is "seventy-five million, forty thousand, one hundred fifteen".