68772167 has 8 divisors (see below), whose sum is σ = 71086080. Its totient is φ = 66464280.

The previous prime is 68772163. The next prime is 68772181. The reversal of 68772167 is 76127786.

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 68772167 - 2² = 68772163 is a prime.

It is a super-2 number, since 2×68772167² = 9459221907751778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68772163) 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, 43334 + ... + 44892.

It is an arithmetic number, because the mean of its divisors is an integer number (8885760).

Almost surely, 2^68772167 is an apocalyptic number.

68772167 is a deficient number, since it is larger than the sum of its proper divisors (2313913).

68772167 is a wasteful number, since it uses less digits than its factorization.

68772167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013.

The product of its digits is 197568, while the sum is 44.

The square root of 68772167 is about 8292.8985885515. The cubic root of 68772167 is about 409.7046594045.

The spelling of 68772167 in words is "sixty-eight million, seven hundred seventy-two thousand, one hundred sixty-seven".