68072310 has 48 divisors (see below), whose sum is σ = 178195680. Its totient is φ = 18028800.

The previous prime is 68072287. The next prime is 68072321. The reversal of 68072310 is 1327086.

It is a super-2 number, since 2×68072310² = 9267678777472200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11086 + ... + 16094.

It is an arithmetic number, because the mean of its divisors is an integer number (3712410).

Almost surely, 2^68072310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68072310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89097840).

68072310 is an abundant number, since it is smaller than the sum of its proper divisors (110123370).

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

68072310 is a wasteful number, since it uses less digits than its factorization.

68072310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 68072310 is about 8250.5945240328. The cubic root of 68072310 is about 408.3101376060.

Adding to 68072310 its reverse (1327086), we get a palindrome (69399396).

The spelling of 68072310 in words is "sixty-eight million, seventy-two thousand, three hundred ten".