67989048372 has 144 divisors (see below), whose sum is σ = 199828242432. Its totient is φ = 19089069120.

The previous prime is 67989048367. The next prime is 67989048383. The reversal of 67989048372 is 27384098976.

67989048372 is a `hidden beast` number, since 6 + 7 + 9 + 89 + 0 + 483 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 47 ways as a sum of consecutive naturals, for example, 7272333 + ... + 7281675.

It is an arithmetic number, because the mean of its divisors is an integer number (1387696128).

Almost surely, 2^67989048372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67989048372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99914121216).

67989048372 is an abundant number, since it is smaller than the sum of its proper divisors (131839194060).

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

67989048372 is a wasteful number, since it uses less digits than its factorization.

67989048372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9858 (or 9853 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 67989048372 in words is "sixty-seven billion, nine hundred eighty-nine million, forty-eight thousand, three hundred seventy-two".