67542068 has 24 divisors (see below), whose sum is σ = 130136160. Its totient is φ = 30417120.

The previous prime is 67542061. The next prime is 67542089. The reversal of 67542068 is 86024576.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67542061) 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, 2246 + ... + 11837.

It is an arithmetic number, because the mean of its divisors is an integer number (5422340).

Almost surely, 2^67542068 is an apocalyptic number.

It is an amenable number.

67542068 is a deficient number, since it is larger than the sum of its proper divisors (62594092).

67542068 is a wasteful number, since it uses less digits than its factorization.

67542068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207 (or 14205 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 67542068 is about 8218.3981407571. The cubic root of 67542068 is about 407.2472101976.

The spelling of 67542068 in words is "sixty-seven million, five hundred forty-two thousand, sixty-eight".