67686652 has 24 divisors (see below), whose sum is σ = 130217472. Its totient is φ = 30529200.

The previous prime is 67686649. The next prime is 67686659. The reversal of 67686652 is 25668676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67686659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 108 + ... + 11635.

It is an arithmetic number, because the mean of its divisors is an integer number (5425728).

Almost surely, 2^67686652 is an apocalyptic number.

It is an amenable number.

67686652 is a deficient number, since it is larger than the sum of its proper divisors (62530820).

67686652 is a wasteful number, since it uses less digits than its factorization.

67686652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889 (or 11887 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 67686652 is about 8227.1897996825. The cubic root of 67686652 is about 407.5375944841.

The spelling of 67686652 in words is "sixty-seven million, six hundred eighty-six thousand, six hundred fifty-two".