67142207 has 8 divisors (see below), whose sum is σ = 73315200. Its totient is φ = 60980760.

The previous prime is 67142137. The next prime is 67142281. The reversal of 67142207 is 70224176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67142207 - 2⁸ = 67141951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67142207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60142207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13208 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (9164400).

Almost surely, 2^67142207 is an apocalyptic number.

67142207 is a deficient number, since it is larger than the sum of its proper divisors (6172993).

67142207 is a wasteful number, since it uses less digits than its factorization.

67142207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 67142207 is about 8194.0348424937. The cubic root of 67142207 is about 406.4419604998.

The spelling of 67142207 in words is "sixty-seven million, one hundred forty-two thousand, two hundred seven".