67218730932 has 48 divisors (see below), whose sum is σ = 166088784960. Its totient is φ = 21085819392.

The previous prime is 67218730913. The next prime is 67218730933. The reversal of 67218730932 is 23903781276.

It is a super-2 number, since 2×67218730932² (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 (67218730933) 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, 2809203 + ... + 2833029.

It is an arithmetic number, because the mean of its divisors is an integer number (3460183020).

Almost surely, 2^67218730932 is an apocalyptic number.

It is an amenable number.

67218730932 is an abundant number, since it is smaller than the sum of its proper divisors (98870054028).

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

67218730932 is a wasteful number, since it uses less digits than its factorization.

67218730932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37680 (or 37678 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 67218730932 in words is "sixty-seven billion, two hundred eighteen million, seven hundred thirty thousand, nine hundred thirty-two".