67928394 has 8 divisors (see below), whose sum is σ = 135856800. Its totient is φ = 22642796.

The previous prime is 67928389. The next prime is 67928423. The reversal of 67928394 is 49382976.

It is a sphenic number, since it is the product of 3 distinct primes.

67928394 is an admirable number.

It is a super-2 number, since 2×67928394² = 9228533422838472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5660694 + ... + 5660705.

It is an arithmetic number, because the mean of its divisors is an integer number (16982100).

Almost surely, 2^67928394 is an apocalyptic number.

67928394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67928394 is a wasteful number, since it uses less digits than its factorization.

67928394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11321404.

The product of its digits is 653184, while the sum is 48.

The square root of 67928394 is about 8241.8683561435. The cubic root of 67928394 is about 408.0221897774.

The spelling of 67928394 in words is "sixty-seven million, nine hundred twenty-eight thousand, three hundred ninety-four".