68973184 has 64 divisors (see below), whose sum is σ = 160344000. Its totient is φ = 29541120.

The previous prime is 68973167. The next prime is 68973187. The reversal of 68973184 is 48137986.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×68973184² = 9514600222195712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68973187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43119 + ... + 44689.

It is an arithmetic number, because the mean of its divisors is an integer number (2505375).

Almost surely, 2^68973184 is an apocalyptic number.

68973184 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68973184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80172000).

68973184 is an abundant number, since it is smaller than the sum of its proper divisors (91370816).

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

68973184 is an equidigital number, since it uses as much as digits as its factorization.

68973184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1580 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 68973184 is about 8305.0095725411. The cubic root of 68973184 is about 410.1034519830.

The spelling of 68973184 in words is "sixty-eight million, nine hundred seventy-three thousand, one hundred eighty-four".