75082505 has 8 divisors (see below), whose sum is σ = 90172872. Its totient is φ = 60016768.

The previous prime is 75082499. The next prime is 75082507. The reversal of 75082505 is 50528057.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49519369 + 25563136 = 7037^2 + 5056^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75082505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75082507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1397 + ... + 12333.

It is an arithmetic number, because the mean of its divisors is an integer number (11271609).

Almost surely, 2^75082505 is an apocalyptic number.

It is an amenable number.

75082505 is a deficient number, since it is larger than the sum of its proper divisors (15090367).

75082505 is a wasteful number, since it uses less digits than its factorization.

75082505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12315.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 75082505 is about 8665.0161569382. The cubic root of 75082505 is about 421.8709146747.

The spelling of 75082505 in words is "seventy-five million, eighty-two thousand, five hundred five".