67867420 has 12 divisors (see below), whose sum is σ = 142521624. Its totient is φ = 27146960.

The previous prime is 67867391. The next prime is 67867469. The reversal of 67867420 is 2476876.

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 3 ways as a sum of consecutive naturals, for example, 1696666 + ... + 1696705.

It is an arithmetic number, because the mean of its divisors is an integer number (11876802).

Almost surely, 2^67867420 is an apocalyptic number.

It is an amenable number.

67867420 is an abundant number, since it is smaller than the sum of its proper divisors (74654204).

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

67867420 is a wasteful number, since it uses less digits than its factorization.

67867420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393380 (or 3393378 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 67867420 is about 8238.1684857740. The cubic root of 67867420 is about 407.9000700414.

The spelling of 67867420 in words is "sixty-seven million, eight hundred sixty-seven thousand, four hundred twenty".