67742686 has 16 divisors (see below), whose sum is σ = 112372848. Its totient is φ = 30369600.

The previous prime is 67742681. The next prime is 67742687. The reversal of 67742686 is 68624776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67742681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19485 + ... + 22696.

It is an arithmetic number, because the mean of its divisors is an integer number (7023303).

Almost surely, 2^67742686 is an apocalyptic number.

67742686 is a deficient number, since it is larger than the sum of its proper divisors (44630162).

67742686 is a wasteful number, since it uses less digits than its factorization.

67742686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42267.

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

The square root of 67742686 is about 8230.5945107264. The cubic root of 67742686 is about 407.6500226722.

The spelling of 67742686 in words is "sixty-seven million, seven hundred forty-two thousand, six hundred eighty-six".