75084085 has 4 divisors (see below), whose sum is σ = 90100908. Its totient is φ = 60067264.

The previous prime is 75084007. The next prime is 75084089. The reversal of 75084085 is 58048057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44635761 + 30448324 = 6681^2 + 5518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75084085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75084089) 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, 7508404 + ... + 7508413.

It is an arithmetic number, because the mean of its divisors is an integer number (22525227).

Almost surely, 2^75084085 is an apocalyptic number.

It is an amenable number.

75084085 is a deficient number, since it is larger than the sum of its proper divisors (15016823).

75084085 is a wasteful number, since it uses less digits than its factorization.

75084085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15016822.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 75084085 is about 8665.1073276677. The cubic root of 75084085 is about 421.8738738699.

It can be divided in two parts, 750840 and 85, that added together give a triangular number (750925 = T₁₂₂₅).

The spelling of 75084085 in words is "seventy-five million, eighty-four thousand, eighty-five".