67993397514 has 32 divisors (see below), whose sum is σ = 172681645440. Its totient is φ = 19426684896.

The previous prime is 67993397497. The next prime is 67993397569. The reversal of 67993397514 is 41579339976.

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

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 15 ways as a sum of consecutive naturals, for example, 89937979 + ... + 89938734.

It is an arithmetic number, because the mean of its divisors is an integer number (5396301420).

Almost surely, 2^67993397514 is an apocalyptic number.

67993397514 is an abundant number, since it is smaller than the sum of its proper divisors (104688247926).

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

67993397514 is a wasteful number, since it uses less digits than its factorization.

67993397514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179876731 (or 179876725 counting only the distinct ones).

The product of its digits is 38578680, while the sum is 63.

The spelling of 67993397514 in words is "sixty-seven billion, nine hundred ninety-three million, three hundred ninety-seven thousand, five hundred fourteen".