67129252 has 6 divisors (see below), whose sum is σ = 117476198. Its totient is φ = 33564624.

The previous prime is 67129241. The next prime is 67129273. The reversal of 67129252 is 25292176.

It can be written as a sum of positive squares in only one way, i.e., 65674816 + 1454436 = 8104^2 + 1206^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8391153 + ... + 8391160.

Almost surely, 2^67129252 is an apocalyptic number.

It is an amenable number.

67129252 is a deficient number, since it is larger than the sum of its proper divisors (50346946).

67129252 is a wasteful number, since it uses less digits than its factorization.

67129252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16782317 (or 16782315 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 67129252 is about 8193.2442902674. The cubic root of 67129252 is about 406.4158180055.

The spelling of 67129252 in words is "sixty-seven million, one hundred twenty-nine thousand, two hundred fifty-two".