75825755 has 4 divisors (see below), whose sum is σ = 90990912. Its totient is φ = 60660600.

The previous prime is 75825697. The next prime is 75825781. The reversal of 75825755 is 55752857.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55752857 = 47 ⋅1186231.

It is not a de Polignac number, because 75825755 - 2⁸ = 75825499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7582571 + ... + 7582580.

It is an arithmetic number, because the mean of its divisors is an integer number (22747728).

Almost surely, 2^75825755 is an apocalyptic number.

75825755 is a deficient number, since it is larger than the sum of its proper divisors (15165157).

75825755 is a wasteful number, since it uses less digits than its factorization.

75825755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165156.

The product of its digits is 490000, while the sum is 44.

The square root of 75825755 is about 8707.7985162726. The cubic root of 75825755 is about 423.2583953299.

The spelling of 75825755 in words is "seventy-five million, eight hundred twenty-five thousand, seven hundred fifty-five".