67855742 has 8 divisors (see below), whose sum is σ = 101855016. Its totient is φ = 33904072.

The previous prime is 67855717. The next prime is 67855751. The reversal of 67855742 is 24755876.

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

It is a junction number, because it is equal to n+sod(n) for n = 67855693 and 67855702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8093 + ... + 14184.

It is an arithmetic number, because the mean of its divisors is an integer number (12731877).

Almost surely, 2^67855742 is an apocalyptic number.

67855742 is a deficient number, since it is larger than the sum of its proper divisors (33999274).

67855742 is a wasteful number, since it uses less digits than its factorization.

67855742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23802.

The product of its digits is 470400, while the sum is 44.

The square root of 67855742 is about 8237.4596812367. The cubic root of 67855742 is about 407.8766728048.

The spelling of 67855742 in words is "sixty-seven million, eight hundred fifty-five thousand, seven hundred forty-two".