67340140 has 24 divisors (see below), whose sum is σ = 161616672. Its totient is φ = 23088000.

The previous prime is 67340137. The next prime is 67340149. The reversal of 67340140 is 4104376.

It is not an unprimeable number, because it can be changed into a prime (67340149) 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, 240361 + ... + 240640.

It is an arithmetic number, because the mean of its divisors is an integer number (6734028).

Almost surely, 2^67340140 is an apocalyptic number.

It is an amenable number.

67340140 is an abundant number, since it is smaller than the sum of its proper divisors (94276532).

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

67340140 is a wasteful number, since it uses less digits than its factorization.

67340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481017 (or 481015 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 67340140 is about 8206.1038258116. The cubic root of 67340140 is about 406.8409611505.

The spelling of 67340140 in words is "sixty-seven million, three hundred forty thousand, one hundred forty".