67866742 has 8 divisors (see below), whose sum is σ = 101838096. Its totient is φ = 33920712.

The previous prime is 67866707. The next prime is 67866751. The reversal of 67866742 is 24766876.

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 = 67866692 and 67866701.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3303 + ... + 12109.

It is an arithmetic number, because the mean of its divisors is an integer number (12729762).

Almost surely, 2^67866742 is an apocalyptic number.

67866742 is a deficient number, since it is larger than the sum of its proper divisors (33971354).

67866742 is a wasteful number, since it uses less digits than its factorization.

67866742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662.

The product of its digits is 677376, while the sum is 46.

The square root of 67866742 is about 8238.1273357481. The cubic root of 67866742 is about 407.8987117207.

The spelling of 67866742 in words is "sixty-seven million, eight hundred sixty-six thousand, seven hundred forty-two".