67121733230 has 16 divisors (see below), whose sum is σ = 120827953584. Its totient is φ = 26846730240.

The previous prime is 67121733197. The next prime is 67121733253. The reversal of 67121733230 is 3233712176.

It is a congruent number.

It is an unprimeable number.

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, 97532 + ... + 379151.

It is an arithmetic number, because the mean of its divisors is an integer number (7551747099).

Almost surely, 2^67121733230 is an apocalyptic number.

67121733230 is a deficient number, since it is larger than the sum of its proper divisors (53706220354).

67121733230 is a wasteful number, since it uses less digits than its factorization.

67121733230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490771.

The product of its (nonzero) digits is 31752, while the sum is 35.

The spelling of 67121733230 in words is "sixty-seven billion, one hundred twenty-one million, seven hundred thirty-three thousand, two hundred thirty".