67671696 has 80 divisors (see below), whose sum is σ = 186845184. Its totient is φ = 21030912.

The previous prime is 67671691. The next prime is 67671701. The reversal of 67671696 is 69617676.

It is an interprime number because it is at equal distance from previous prime (67671691) and next prime (67671701).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67671691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103306 + ... + 103958.

Almost surely, 2^67671696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67671696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93422592).

67671696 is an abundant number, since it is smaller than the sum of its proper divisors (119173488).

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

67671696 is a wasteful number, since it uses less digits than its factorization.

67671696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 802 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 67671696 is about 8226.2808121289. The cubic root of 67671696 is about 407.5075758562.

The spelling of 67671696 in words is "sixty-seven million, six hundred seventy-one thousand, six hundred ninety-six".