67273407764 has 12 divisors (see below), whose sum is σ = 118587796404. Its totient is φ = 33391180224.

The previous prime is 67273407731. The next prime is 67273407767. The reversal of 67273407764 is 46770437276.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27655690000 + 39617717764 = 166300^2 + 199042^2 .

It is a super-2 number, since 2×67273407764² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67273407767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61380299 + ... + 61381394.

It is an arithmetic number, because the mean of its divisors is an integer number (9882316367).

Almost surely, 2^67273407764 is an apocalyptic number.

It is an amenable number.

67273407764 is a deficient number, since it is larger than the sum of its proper divisors (51314388640).

67273407764 is a wasteful number, since it uses less digits than its factorization.

67273407764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122761834 (or 122761832 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 53.

The spelling of 67273407764 in words is "sixty-seven billion, two hundred seventy-three million, four hundred seven thousand, seven hundred sixty-four".