67654056942 has 24 divisors (see below), whose sum is σ = 147953736216. Its totient is φ = 22340591376.

The previous prime is 67654056829. The next prime is 67654056971. The reversal of 67654056942 is 24965045676.

67654056942 is a `hidden beast` number, since 6 + 7 + 6 + 540 + 5 + 6 + 94 + 2 = 666.

It is a super-2 number, since 2×67654056942² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17561433 + ... + 17565284.

It is an arithmetic number, because the mean of its divisors is an integer number (6164739009).

Almost surely, 2^67654056942 is an apocalyptic number.

67654056942 is an abundant number, since it is smaller than the sum of its proper divisors (80299679274).

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

67654056942 is a wasteful number, since it uses less digits than its factorization.

67654056942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35126832 (or 35126829 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 67654056942 in words is "sixty-seven billion, six hundred fifty-four million, fifty-six thousand, nine hundred forty-two".