67994828 has 24 divisors (see below), whose sum is σ = 131592720. Its totient is φ = 30481920.

The previous prime is 67994827. The next prime is 67994837. The reversal of 67994828 is 82849976.

It is a self number, because there is not a number n which added to its sum of digits gives 67994828.

It is not an unprimeable number, because it can be changed into a prime (67994827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7373 + ... + 13796.

It is an arithmetic number, because the mean of its divisors is an integer number (5483030).

Almost surely, 2^67994828 is an apocalyptic number.

It is an amenable number.

67994828 is a deficient number, since it is larger than the sum of its proper divisors (63597892).

67994828 is a wasteful number, since it uses less digits than its factorization.

67994828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21257 (or 21255 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 67994828 is about 8245.8976467089. The cubic root of 67994828 is about 408.1551617332.

It can be divided in two parts, 679948 and 28, that added together give a palindrome (679976).

The spelling of 67994828 in words is "sixty-seven million, nine hundred ninety-four thousand, eight hundred twenty-eight".