67668376 has 16 divisors (see below), whose sum is σ = 127159200. Its totient is φ = 33759264.

The previous prime is 67668373. The next prime is 67668379. The reversal of 67668376 is 67386676.

It is an interprime number because it is at equal distance from previous prime (67668373) and next prime (67668379).

It is a super-2 number, since 2×67668376² = 9158018220954752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67668373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5431 + ... + 12838.

It is an arithmetic number, because the mean of its divisors is an integer number (7947450).

Almost surely, 2^67668376 is an apocalyptic number.

It is an amenable number.

67668376 is a deficient number, since it is larger than the sum of its proper divisors (59490824).

67668376 is a wasteful number, since it uses less digits than its factorization.

67668376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18738 (or 18734 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 49.

The square root of 67668376 is about 8226.0790173691. The cubic root of 67668376 is about 407.5009115867.

The spelling of 67668376 in words is "sixty-seven million, six hundred sixty-eight thousand, three hundred seventy-six".