67713642 has 24 divisors (see below), whose sum is σ = 148141344. Its totient is φ = 22351464.

The previous prime is 67713593. The next prime is 67713661. The reversal of 67713642 is 24631776.

67713642 is a `hidden beast` number, since 6 + 7 + 7 + 1 + 3 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 67713597 and 67713606.

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 11 ways as a sum of consecutive naturals, for example, 16408 + ... + 20115.

It is an arithmetic number, because the mean of its divisors is an integer number (6172556).

Almost surely, 2^67713642 is an apocalyptic number.

67713642 is an abundant number, since it is smaller than the sum of its proper divisors (80427702).

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

67713642 is a wasteful number, since it uses less digits than its factorization.

67713642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36634 (or 36631 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 67713642 is about 8228.8299289753. The cubic root of 67713642 is about 407.5917557190.

The spelling of 67713642 in words is "sixty-seven million, seven hundred thirteen thousand, six hundred forty-two".