67683420 has 72 divisors (see below), whose sum is σ = 234640224. Its totient is φ = 15470208.

The previous prime is 67683383. The next prime is 67683437. The reversal of 67683420 is 2438676.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25599 + ... + 28118.

It is an arithmetic number, because the mean of its divisors is an integer number (3258892).

Almost surely, 2^67683420 is an apocalyptic number.

67683420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67683420 is an abundant number, since it is smaller than the sum of its proper divisors (166956804).

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

67683420 is a wasteful number, since it uses less digits than its factorization.

67683420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53739 (or 53734 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 67683420 is about 8226.9933754683. The cubic root of 67683420 is about 407.5311078163.

The spelling of 67683420 in words is "sixty-seven million, six hundred eighty-three thousand, four hundred twenty".