67491982713800 has 36 divisors (see below), whose sum is σ = 156919129934595. Its totient is φ = 26996746612480.

The previous prime is 67491982713761. The next prime is 67491982713833. The reversal of 67491982713800 is 831728919476.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 11430254909956 + 56061727803844 = 3380866^2 + 7487438^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5809130.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 115892144 + ... + 116473056.

Almost surely, 2^{67491982713800} is an apocalyptic number.

It is an amenable number.

67491982713800 is an abundant number, since it is smaller than the sum of its proper divisors (89427147220795).

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

67491982713800 is an frugal number, since it uses more digits than its factorization.

67491982713800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161842 (or 580920 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 65.

The spelling of 67491982713800 in words is "sixty-seven trillion, four hundred ninety-one billion, nine hundred eighty-two million, seven hundred thirteen thousand, eight hundred".