67842140 has 24 divisors (see below), whose sum is σ = 143005632. Its totient is φ = 27034560.

The previous prime is 67842113. The next prime is 67842161. The reversal of 67842140 is 4124876.

It is a junction number, because it is equal to n+sod(n) for n = 67842097 and 67842106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 11678.

It is an arithmetic number, because the mean of its divisors is an integer number (5958568).

Almost surely, 2^67842140 is an apocalyptic number.

It is an amenable number.

67842140 is an abundant number, since it is smaller than the sum of its proper divisors (75163492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67842140 is a wasteful number, since it uses less digits than its factorization.

67842140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797 (or 12795 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 67842140 is about 8236.6340212492. The cubic root of 67842140 is about 407.8494173897.

The spelling of 67842140 in words is "sixty-seven million, eight hundred forty-two thousand, one hundred forty".