67074172 has 36 divisors (see below), whose sum is σ = 130079320. Its totient is φ = 30238560.

The previous prime is 67074151. The next prime is 67074179. The reversal of 67074172 is 27147076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67074179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66778 + ... + 67774.

Almost surely, 2^67074172 is an apocalyptic number.

It is an amenable number.

67074172 is a deficient number, since it is larger than the sum of its proper divisors (63005148).

67074172 is a wasteful number, since it uses less digits than its factorization.

67074172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 67074172 is about 8189.8822946365. The cubic root of 67074172 is about 406.3046319586.

The spelling of 67074172 in words is "sixty-seven million, seventy-four thousand, one hundred seventy-two".