67676670 has 72 divisors (see below), whose sum is σ = 185796936. Its totient is φ = 17089056.

The previous prime is 67676659. The next prime is 67676671. The reversal of 67676670 is 7667676.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67676671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31449 + ... + 33531.

It is an arithmetic number, because the mean of its divisors is an integer number (2580513).

Almost surely, 2^67676670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67676670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92898468).

67676670 is an abundant number, since it is smaller than the sum of its proper divisors (118120266).

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

67676670 is a wasteful number, since it uses less digits than its factorization.

67676670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 67676670 is about 8226.5831303160. The cubic root of 67676670 is about 407.5175598089.

The spelling of 67676670 in words is "sixty-seven million, six hundred seventy-six thousand, six hundred seventy".