67125250 has 16 divisors (see below), whose sum is σ = 125658936. Its totient is φ = 26850000.

The previous prime is 67125239. The next prime is 67125263. The reversal of 67125250 is 5252176.

It is a Cunningham number, because it is equal to 8193²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8311689 + 58813561 = 2883^2 + 7669^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134001 + ... + 134500.

Almost surely, 2^67125250 is an apocalyptic number.

67125250 is a deficient number, since it is larger than the sum of its proper divisors (58533686).

67125250 is a wasteful number, since it uses less digits than its factorization.

67125250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268518 (or 268508 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 67125250 is about 8193.0000610277. Note that the first 4 decimals coincide. The cubic root of 67125250 is about 406.4077415045.

It can be divided in two parts, 671 and 25250, that added together give a square (25921 = 161²).

The spelling of 67125250 in words is "sixty-seven million, one hundred twenty-five thousand, two hundred fifty".