67918364 has 6 divisors (see below), whose sum is σ = 118857144. Its totient is φ = 33959180.

The previous prime is 67918343. The next prime is 67918393. The reversal of 67918364 is 46381976.

It is a super-2 number, since 2×67918364² = 9225808336872992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8489792 + ... + 8489799.

It is an arithmetic number, because the mean of its divisors is an integer number (19809524).

Almost surely, 2^67918364 is an apocalyptic number.

It is an amenable number.

67918364 is a deficient number, since it is larger than the sum of its proper divisors (50938780).

67918364 is a wasteful number, since it uses less digits than its factorization.

67918364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16979595 (or 16979593 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 67918364 is about 8241.2598551435. The cubic root of 67918364 is about 408.0021065507.

The spelling of 67918364 in words is "sixty-seven million, nine hundred eighteen thousand, three hundred sixty-four".