67740672448446 has 64 divisors (see below), whose sum is σ = 137447276947968. Its totient is φ = 22253072260608.

The previous prime is 67740672448357. The next prime is 67740672448451. The reversal of 67740672448446 is 64484427604776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3087108951 + ... + 3087130893.

It is an arithmetic number, because the mean of its divisors is an integer number (2147613702312).

Almost surely, 2^{67740672448446} is an apocalyptic number.

67740672448446 is an abundant number, since it is smaller than the sum of its proper divisors (69706604499522).

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

67740672448446 is a wasteful number, since it uses less digits than its factorization.

67740672448446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345.

The product of its (nonzero) digits is 1213857792, while the sum is 69.

The spelling of 67740672448446 in words is "sixty-seven trillion, seven hundred forty billion, six hundred seventy-two million, four hundred forty-eight thousand, four hundred forty-six".