67967928 has 48 divisors (see below), whose sum is σ = 210378480. Its totient is φ = 19419264.

The previous prime is 67967917. The next prime is 67967929. The reversal of 67967928 is 82976976.

It is a super-2 number, since 2×67967928² = 9239278473226368, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67967929) 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, 66925 + ... + 67932.

It is an arithmetic number, because the mean of its divisors is an integer number (4382885).

Almost surely, 2^67967928 is an apocalyptic number.

It is an amenable number.

67967928 is an abundant number, since it is smaller than the sum of its proper divisors (142410552).

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

67967928 is a wasteful number, since it uses less digits than its factorization.

67967928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134876 (or 134869 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 67967928 is about 8244.2663712425. The cubic root of 67967928 is about 408.1013300798.

The spelling of 67967928 in words is "sixty-seven million, nine hundred sixty-seven thousand, nine hundred twenty-eight".