67620668 has 12 divisors (see below), whose sum is σ = 118490232. Its totient is φ = 33766320.

The previous prime is 67620659. The next prime is 67620671. The reversal of 67620668 is 86602676.

It is a congruent 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, 7418 + ... + 13793.

It is an arithmetic number, because the mean of its divisors is an integer number (9874186).

Almost surely, 2^67620668 is an apocalyptic number.

It is an amenable number.

67620668 is a deficient number, since it is larger than the sum of its proper divisors (50869564).

67620668 is a wasteful number, since it uses less digits than its factorization.

67620668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012 (or 22010 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 67620668 is about 8223.1787041265. The cubic root of 67620668 is about 407.4051227547.

The spelling of 67620668 in words is "sixty-seven million, six hundred twenty thousand, six hundred sixty-eight".