67823020 has 48 divisors (see below), whose sum is σ = 147456288. Its totient is φ = 26186240.

The previous prime is 67823017. The next prime is 67823051. The reversal of 67823020 is 2032876.

It is a self number, because there is not a number n which added to its sum of digits gives 67823020.

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, 87354 + ... + 88126.

It is an arithmetic number, because the mean of its divisors is an integer number (3072006).

Almost surely, 2^67823020 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 67823020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73728144).

67823020 is an abundant number, since it is smaller than the sum of its proper divisors (79633268).

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

67823020 is a wasteful number, since it uses less digits than its factorization.

67823020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 67823020 is about 8235.4732711606. The cubic root of 67823020 is about 407.8110989563.

Adding to 67823020 its reverse (2032876), we get a palindrome (69855896).

The spelling of 67823020 in words is "sixty-seven million, eight hundred twenty-three thousand, twenty".