68468346 has 12 divisors (see below), whose sum is σ = 148348122. Its totient is φ = 22822776.

The previous prime is 68468327. The next prime is 68468347. The reversal of 68468346 is 64386486.

It can be written as a sum of positive squares in only one way, i.e., 65367225 + 3101121 = 8085^2 + 1761^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68468347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1901881 + ... + 1901916.

Almost surely, 2^68468346 is an apocalyptic number.

68468346 is an abundant number, since it is smaller than the sum of its proper divisors (79879776).

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

68468346 is a wasteful number, since it uses less digits than its factorization.

68468346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803805 (or 3803802 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 68468346 is about 8274.5601695800. The cubic root of 68468346 is about 409.1004390238.

The spelling of 68468346 in words is "sixty-eight million, four hundred sixty-eight thousand, three hundred forty-six".