68479236 has 96 divisors (see below), whose sum is σ = 204288000. Its totient is φ = 19432224.

The previous prime is 68479223. The next prime is 68479253. The reversal of 68479236 is 63297486.

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

It is a junction number, because it is equal to n+sod(n) for n = 68479191 and 68479200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180495 + ... + 180873.

It is an arithmetic number, because the mean of its divisors is an integer number (2128000).

Almost surely, 2^68479236 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 68479236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102144000).

68479236 is an abundant number, since it is smaller than the sum of its proper divisors (135808764).

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

68479236 is a wasteful number, since it uses less digits than its factorization.

68479236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 630 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 68479236 is about 8275.2181844348. The cubic root of 68479236 is about 409.1221272338.

The spelling of 68479236 in words is "sixty-eight million, four hundred seventy-nine thousand, two hundred thirty-six".