68678232 has 128 divisors (see below), whose sum is σ = 210470400. Its totient is φ = 18229248.

The previous prime is 68678227. The next prime is 68678243. The reversal of 68678232 is 23287686.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396898 + ... + 397070.

It is an arithmetic number, because the mean of its divisors is an integer number (1644300).

Almost surely, 2^68678232 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 68678232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105235200).

68678232 is an abundant number, since it is smaller than the sum of its proper divisors (141792168).

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

68678232 is a wasteful number, since it uses less digits than its factorization.

68678232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 341 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 68678232 is about 8287.2330726244. The cubic root of 68678232 is about 409.5180376722.

The spelling of 68678232 in words is "sixty-eight million, six hundred seventy-eight thousand, two hundred thirty-two".