67680696 has 64 divisors (see below), whose sum is σ = 175104000. Its totient is φ = 21783168.

The previous prime is 67680671. The next prime is 67680703. The reversal of 67680696 is 69608676.

It is a happy number.

It is a super-2 number, since 2×67680696² = 9161353222088832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176521 + ... + 176903.

It is an arithmetic number, because the mean of its divisors is an integer number (2736000).

Almost surely, 2^67680696 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 67680696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87552000).

67680696 is an abundant number, since it is smaller than the sum of its proper divisors (107423304).

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

67680696 is a wasteful number, since it uses less digits than its factorization.

67680696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 67680696 is about 8226.8278212200. The cubic root of 67680696 is about 407.5256405510.

The spelling of 67680696 in words is "sixty-seven million, six hundred eighty thousand, six hundred ninety-six".