67717142 has 8 divisors (see below), whose sum is σ = 101717616. Its totient is φ = 33811272.

The previous prime is 67717123. The next prime is 67717147. The reversal of 67717142 is 24171776.

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

It is a super-2 number, since 2×67717142² = 9171222641296328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67717147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21833 + ... + 24740.

It is an arithmetic number, because the mean of its divisors is an integer number (12714702).

Almost surely, 2^67717142 is an apocalyptic number.

67717142 is a deficient number, since it is larger than the sum of its proper divisors (34000474).

67717142 is a wasteful number, since it uses less digits than its factorization.

67717142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47302.

The product of its digits is 16464, while the sum is 35.

The square root of 67717142 is about 8229.0425931575. The cubic root of 67717142 is about 407.5987781669.

The spelling of 67717142 in words is "sixty-seven million, seven hundred seventeen thousand, one hundred forty-two".