68333772 has 48 divisors (see below), whose sum is σ = 173450592. Its totient is φ = 20812800.

The previous prime is 68333743. The next prime is 68333791. The reversal of 68333772 is 27733386.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 68333772.

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, 13588 + ... + 17924.

It is an arithmetic number, because the mean of its divisors is an integer number (3613554).

Almost surely, 2^68333772 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 68333772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86725296).

68333772 is an abundant number, since it is smaller than the sum of its proper divisors (105116820).

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

68333772 is a wasteful number, since it uses less digits than its factorization.

68333772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4456 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 68333772 is about 8266.4243781698. The cubic root of 68333772 is about 408.8322353222.

The spelling of 68333772 in words is "sixty-eight million, three hundred thirty-three thousand, seven hundred seventy-two".