67672250 has 16 divisors (see below), whose sum is σ = 126682920. Its totient is φ = 27068800.

The previous prime is 67672229. The next prime is 67672261. The reversal of 67672250 is 5227676.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43652449 + 24019801 = 6607^2 + 4901^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67672250.

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, 135095 + ... + 135594.

Almost surely, 2^67672250 is an apocalyptic number.

67672250 is a deficient number, since it is larger than the sum of its proper divisors (59010670).

67672250 is a wasteful number, since it uses less digits than its factorization.

67672250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270706 (or 270696 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 67672250 is about 8226.3144846280. The cubic root of 67672250 is about 407.5086878848.

The spelling of 67672250 in words is "sixty-seven million, six hundred seventy-two thousand, two hundred fifty".