67431185725340 has 24 divisors (see below), whose sum is σ = 141703351514592. Its totient is φ = 26953834006080.

The previous prime is 67431185725333. The next prime is 67431185725451. The reversal of 67431185725340 is 4352758113476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164988091 + ... + 1165045970.

It is an arithmetic number, because the mean of its divisors is an integer number (5904306313108).

Almost surely, 2^{67431185725340} is an apocalyptic number.

It is an amenable number.

67431185725340 is an abundant number, since it is smaller than the sum of its proper divisors (74272165789252).

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

67431185725340 is a wasteful number, since it uses less digits than its factorization.

67431185725340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330035517 (or 2330035515 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 67431185725340 in words is "sixty-seven trillion, four hundred thirty-one billion, one hundred eighty-five million, seven hundred twenty-five thousand, three hundred forty".