67255420 has 24 divisors (see below), whose sum is σ = 141405264. Its totient is φ = 26870016.

The previous prime is 67255403. The next prime is 67255423. The reversal of 67255420 is 2455276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67255423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22324 + ... + 25156.

It is an arithmetic number, because the mean of its divisors is an integer number (5891886).

Almost surely, 2^67255420 is an apocalyptic number.

It is an amenable number.

67255420 is an abundant number, since it is smaller than the sum of its proper divisors (74149844).

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

67255420 is a wasteful number, since it uses less digits than its factorization.

67255420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 67255420 is about 8200.9401900026. The cubic root of 67255420 is about 406.6702752823.

The spelling of 67255420 in words is "sixty-seven million, two hundred fifty-five thousand, four hundred twenty".