67575825 has 36 divisors (see below), whose sum is σ = 121649580. Its totient is φ = 35857920.

The previous prime is 67575803. The next prime is 67575869. The reversal of 67575825 is 52857576.

67575825 is a `hidden beast` number, since 67 + 5 + 7 + 582 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1185921 + 66389904 = 1089^2 + 8148^2 .

It is not a de Polignac number, because 67575825 - 2⁵ = 67575793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51781 + ... + 53069.

It is an arithmetic number, because the mean of its divisors is an integer number (3379155).

Almost surely, 2^67575825 is an apocalyptic number.

It is an amenable number.

67575825 is a deficient number, since it is larger than the sum of its proper divisors (54073755).

67575825 is a wasteful number, since it uses less digits than its factorization.

67575825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1530 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 67575825 is about 8220.4516299289. The cubic root of 67575825 is about 407.3150452266.

The spelling of 67575825 in words is "sixty-seven million, five hundred seventy-five thousand, eight hundred twenty-five".