67348420 has 12 divisors (see below), whose sum is σ = 141431724. Its totient is φ = 26939360.

The previous prime is 67348409. The next prime is 67348423. The reversal of 67348420 is 2484376.

It can be written as a sum of positive squares in 2 ways, for example, as 53465344 + 13883076 = 7312^2 + 3726^2 .

It is not an unprimeable number, because it can be changed into a prime (67348423) 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 3 ways as a sum of consecutive naturals, for example, 1683691 + ... + 1683730.

It is an arithmetic number, because the mean of its divisors is an integer number (11785977).

Almost surely, 2^67348420 is an apocalyptic number.

It is an amenable number.

67348420 is an abundant number, since it is smaller than the sum of its proper divisors (74083304).

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

67348420 is a wasteful number, since it uses less digits than its factorization.

67348420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367430 (or 3367428 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 67348420 is about 8206.6083128172. The cubic root of 67348420 is about 406.8576352327.

The spelling of 67348420 in words is "sixty-seven million, three hundred forty-eight thousand, four hundred twenty".