67406673340 has 24 divisors (see below), whose sum is σ = 142141385232. Its totient is φ = 26850789120.

The previous prime is 67406673337. The next prime is 67406673343. The reversal of 67406673340 is 4337660476.

It is an interprime number because it is at equal distance from previous prime (67406673337) and next prime (67406673343).

It is a super-2 number, since 2×67406673340² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67406673343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6987574 + ... + 6997213.

It is an arithmetic number, because the mean of its divisors is an integer number (5922557718).

Almost surely, 2^67406673340 is an apocalyptic number.

It is an amenable number.

67406673340 is an abundant number, since it is smaller than the sum of its proper divisors (74734711892).

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

67406673340 is a wasteful number, since it uses less digits than its factorization.

67406673340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13985037 (or 13985035 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 46.

The spelling of 67406673340 in words is "sixty-seven billion, four hundred six million, six hundred seventy-three thousand, three hundred forty".