67140818 has 8 divisors (see below), whose sum is σ = 105090048. Its totient is φ = 32110804.

The previous prime is 67140817. The next prime is 67140869. The reversal of 67140818 is 81804176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (67140811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729746 + ... + 729837.

It is an arithmetic number, because the mean of its divisors is an integer number (13136256).

Almost surely, 2^67140818 is an apocalyptic number.

67140818 is a deficient number, since it is larger than the sum of its proper divisors (37949230).

67140818 is a wasteful number, since it uses less digits than its factorization.

67140818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459608.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 67140818 is about 8193.9500852763. The cubic root of 67140818 is about 406.4391577334.

The spelling of 67140818 in words is "sixty-seven million, one hundred forty thousand, eight hundred eighteen".