68367040 has 112 divisors (see below), whose sum is σ = 194291712. Its totient is φ = 22404096.

The previous prime is 68367037. The next prime is 68367127. The reversal of 68367040 is 4076386.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×68367040³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68366987 and 68367005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50857 + ... + 52183.

Almost surely, 2^68367040 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 68367040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97145856).

68367040 is an abundant number, since it is smaller than the sum of its proper divisors (125924672).

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

68367040 is a wasteful number, since it uses less digits than its factorization.

68367040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 68367040 is about 8268.4363697134. The cubic root of 68367040 is about 408.8985706242.

The spelling of 68367040 in words is "sixty-eight million, three hundred sixty-seven thousand, forty".