67312554317264 has 40 divisors (see below), whose sum is σ = 132441975436680. Its totient is φ = 33135635478528.

The previous prime is 67312554317263. The next prime is 67312554317279. The reversal of 67312554317264 is 46271345521376.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 550712410000 + 66761841907264 = 742100^2 + 8170792^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67312554317263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51082469 + ... + 52383620.

It is an arithmetic number, because the mean of its divisors is an integer number (3311049385917).

Almost surely, 2^{67312554317264} is an apocalyptic number.

It is an amenable number.

67312554317264 is a deficient number, since it is larger than the sum of its proper divisors (65129421119416).

67312554317264 is a wasteful number, since it uses less digits than its factorization.

67312554317264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103466727 (or 103466721 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 56.

The spelling of 67312554317264 in words is "sixty-seven trillion, three hundred twelve billion, five hundred fifty-four million, three hundred seventeen thousand, two hundred sixty-four".