67406667340 has 48 divisors (see below), whose sum is σ = 146666513952. Its totient is φ = 26001755136.

The previous prime is 67406667329. The next prime is 67406667347. The reversal of 67406667340 is 4376660476.

It is not an unprimeable number, because it can be changed into a prime (67406667347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319434 + ... + 486673.

It is an arithmetic number, because the mean of its divisors is an integer number (3055552374).

Almost surely, 2^67406667340 is an apocalyptic number.

It is an amenable number.

67406667340 is an abundant number, since it is smaller than the sum of its proper divisors (79259846612).

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

67406667340 is a wasteful number, since it uses less digits than its factorization.

67406667340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806266 (or 806264 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 67406667340 in words is "sixty-seven billion, four hundred six million, six hundred sixty-seven thousand, three hundred forty".