67872297 has 8 divisors (see below), whose sum is σ = 91642240. Its totient is φ = 44675280.

The previous prime is 67872293. The next prime is 67872341. The reversal of 67872297 is 79227876.

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

It is not a de Polignac number, because 67872297 - 2² = 67872293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67872293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142954 + ... + 143427.

It is an arithmetic number, because the mean of its divisors is an integer number (11455280).

Almost surely, 2^67872297 is an apocalyptic number.

It is an amenable number.

67872297 is a deficient number, since it is larger than the sum of its proper divisors (23769943).

67872297 is a wasteful number, since it uses less digits than its factorization.

67872297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286463.

The product of its digits is 592704, while the sum is 48.

The square root of 67872297 is about 8238.4644807148. The cubic root of 67872297 is about 407.9098404683.

The spelling of 67872297 in words is "sixty-seven million, eight hundred seventy-two thousand, two hundred ninety-seven".