67973828 has 36 divisors (see below), whose sum is σ = 129724308. Its totient is φ = 31150080.

The previous prime is 67973827. The next prime is 67973831. The reversal of 67973828 is 82837976.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23990404 + 43983424 = 4898^2 + 6632^2 .

It is not an unprimeable number, because it can be changed into a prime (67973827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130208 + ... + 130728.

It is an arithmetic number, because the mean of its divisors is an integer number (3603453).

Almost surely, 2^67973828 is an apocalyptic number.

It is an amenable number.

67973828 is a deficient number, since it is larger than the sum of its proper divisors (61750480).

67973828 is a wasteful number, since it uses less digits than its factorization.

67973828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 729 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 67973828 is about 8244.6241879178. The cubic root of 67973828 is about 408.1131382382.

The spelling of 67973828 in words is "sixty-seven million, nine hundred seventy-three thousand, eight hundred twenty-eight".