67433787420 has 48 divisors (see below), whose sum is σ = 188835742368. Its totient is φ = 17980330240.

The previous prime is 67433787403. The next prime is 67433787431. The reversal of 67433787420 is 2478733476.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522550 + ... + 638690.

It is an arithmetic number, because the mean of its divisors is an integer number (3934077966).

Almost surely, 2^67433787420 is an apocalyptic number.

67433787420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67433787420 is an abundant number, since it is smaller than the sum of its proper divisors (121401954948).

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

67433787420 is a wasteful number, since it uses less digits than its factorization.

67433787420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125830 (or 125828 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 67433787420 in words is "sixty-seven billion, four hundred thirty-three million, seven hundred eighty-seven thousand, four hundred twenty".