75166625 has 8 divisors (see below), whose sum is σ = 93808104. Its totient is φ = 60133200.

The previous prime is 75166591. The next prime is 75166643. The reversal of 75166625 is 52666157.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 74252689 = 956^2 + 8617^2 .

It is not a de Polignac number, because 75166625 - 2¹⁸ = 74904481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300542 + ... + 300791.

It is an arithmetic number, because the mean of its divisors is an integer number (11726013).

Almost surely, 2^75166625 is an apocalyptic number.

It is an amenable number.

75166625 is a deficient number, since it is larger than the sum of its proper divisors (18641479).

75166625 is an equidigital number, since it uses as much as digits as its factorization.

75166625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601348 (or 601338 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 75166625 is about 8669.8687994687. The cubic root of 75166625 is about 422.0284060302.

It can be divided in two parts, 7516 and 6625, that added together give a palindrome (14141).

The spelling of 75166625 in words is "seventy-five million, one hundred sixty-six thousand, six hundred twenty-five".