68312046 has 32 divisors (see below), whose sum is σ = 150201216. Its totient is φ = 20540000.

The previous prime is 68312033. The next prime is 68312051. The reversal of 68312046 is 64021386.

It is a super-3 number, since 3×68312046³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 4696 + ... + 12596.

It is an arithmetic number, because the mean of its divisors is an integer number (4693788).

Almost surely, 2^68312046 is an apocalyptic number.

68312046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68312046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75100608).

68312046 is an abundant number, since it is smaller than the sum of its proper divisors (81889170).

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

68312046 is a wasteful number, since it uses less digits than its factorization.

68312046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 68312046 is about 8265.1101626052. The cubic root of 68312046 is about 408.7889027680.

The spelling of 68312046 in words is "sixty-eight million, three hundred twelve thousand, forty-six".