67336645420 has 48 divisors (see below), whose sum is σ = 154372327200. Its totient is φ = 24468561920.

The previous prime is 67336645367. The next prime is 67336645427. The reversal of 67336645420 is 2454663376.

It is a happy number.

It is a super-3 number, since 3×67336645420³ (a number of 33 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67336645427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201366 + ... + 418594.

It is an arithmetic number, because the mean of its divisors is an integer number (3216090150).

Almost surely, 2^67336645420 is an apocalyptic number.

It is an amenable number.

67336645420 is an abundant number, since it is smaller than the sum of its proper divisors (87035681780).

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

67336645420 is a wasteful number, since it uses less digits than its factorization.

67336645420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218658 (or 218656 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 67336645420 in words is "sixty-seven billion, three hundred thirty-six million, six hundred forty-five thousand, four hundred twenty".