67670660 has 24 divisors (see below), whose sum is σ = 142296000. Its totient is φ = 27032544.

The previous prime is 67670657. The next prime is 67670663. The reversal of 67670660 is 6607676.

67670660 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (67670657) and next prime (67670663).

It is not an unprimeable number, because it can be changed into a prime (67670663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17591 + ... + 21089.

It is an arithmetic number, because the mean of its divisors is an integer number (5929000).

Almost surely, 2^67670660 is an apocalyptic number.

It is an amenable number.

67670660 is an abundant number, since it is smaller than the sum of its proper divisors (74625340).

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

67670660 is a wasteful number, since it uses less digits than its factorization.

67670660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 67670660 is about 8226.2178429701. The cubic root of 67670660 is about 407.5054963064.

The spelling of 67670660 in words is "sixty-seven million, six hundred seventy thousand, six hundred sixty".