67993416 has 96 divisors (see below), whose sum is σ = 194987520. Its totient is φ = 21369600.

The previous prime is 67993397. The next prime is 67993427. The reversal of 67993416 is 61439976.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91141 + ... + 91883.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^67993416 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 67993416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97493760).

67993416 is an abundant number, since it is smaller than the sum of its proper divisors (126994104).

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

67993416 is a wasteful number, since it uses less digits than its factorization.

67993416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 820 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 67993416 is about 8245.8120279327. The cubic root of 67993416 is about 408.1523364248.

The spelling of 67993416 in words is "sixty-seven million, nine hundred ninety-three thousand, four hundred sixteen".