67928067 has 6 divisors (see below), whose sum is σ = 98118332. Its totient is φ = 45285372.

The previous prime is 67928011. The next prime is 67928083. The reversal of 67928067 is 76082976.

It is a happy number.

It is not a de Polignac number, because 67928067 - 2¹⁰ = 67927043 is a prime.

It is a super-2 number, since 2×67928067² = 9228444572712978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67928167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3773773 + ... + 3773790.

Almost surely, 2^67928067 is an apocalyptic number.

67928067 is a deficient number, since it is larger than the sum of its proper divisors (30190265).

67928067 is a wasteful number, since it uses less digits than its factorization.

67928067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547569 (or 7547566 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 67928067 is about 8241.8485183847. The cubic root of 67928067 is about 408.0215350513.

The spelling of 67928067 in words is "sixty-seven million, nine hundred twenty-eight thousand, sixty-seven".