68234040 has 96 divisors (see below), whose sum is σ = 253450080. Its totient is φ = 15595776.

The previous prime is 68234017. The next prime is 68234041. The reversal of 68234040 is 4043286.

It is a junction number, because it is equal to n+sod(n) for n = 68233995 and 68234013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68234041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11019 + ... + 16058.

It is an arithmetic number, because the mean of its divisors is an integer number (2640105).

Almost surely, 2^68234040 is an apocalyptic number.

68234040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68234040 is an abundant number, since it is smaller than the sum of its proper divisors (185216040).

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

68234040 is a wasteful number, since it uses less digits than its factorization.

68234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27101 (or 27094 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 68234040 is about 8260.3898213099. The cubic root of 68234040 is about 408.6332438741.

The spelling of 68234040 in words is "sixty-eight million, two hundred thirty-four thousand, forty".