67946461320 has 64 divisors (see below), whose sum is σ = 203915880000. Its totient is φ = 18112256768.

The previous prime is 67946461291. The next prime is 67946461327. The reversal of 67946461320 is 2316464976.

It is a super-2 number, since 2×67946461320² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67946461320.

It is not an unprimeable number, because it can be changed into a prime (67946461327) 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 15 ways as a sum of consecutive naturals, for example, 218986 + ... + 428774.

It is an arithmetic number, because the mean of its divisors is an integer number (3186185625).

Almost surely, 2^67946461320 is an apocalyptic number.

67946461320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67946461320 is an abundant number, since it is smaller than the sum of its proper divisors (135969418680).

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

67946461320 is a wasteful number, since it uses less digits than its factorization.

67946461320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212502 (or 212498 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 67946461320 in words is "sixty-seven billion, nine hundred forty-six million, four hundred sixty-one thousand, three hundred twenty".