67090680 has 80 divisors (see below), whose sum is σ = 225510120. Its totient is φ = 17889984.

The previous prime is 67090679. The next prime is 67090693. The reversal of 67090680 is 8609076.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7114 + ... + 13593.

Almost surely, 2^67090680 is an apocalyptic number.

67090680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67090680 is an abundant number, since it is smaller than the sum of its proper divisors (158419440).

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

67090680 is a wasteful number, since it uses less digits than its factorization.

67090680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20730 (or 20717 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 67090680 is about 8190.8900615257. The cubic root of 67090680 is about 406.3379618603.

The spelling of 67090680 in words is "sixty-seven million, ninety thousand, six hundred eighty".