67728273076 has 6 divisors (see below), whose sum is σ = 118524477890. Its totient is φ = 33864136536.

The previous prime is 67728273023. The next prime is 67728273101. The reversal of 67728273076 is 67037282776.

It can be written as a sum of positive squares in only one way, i.e., 39243610000 + 28484663076 = 198100^2 + 168774^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8466034131 + ... + 8466034138.

Almost surely, 2^67728273076 is an apocalyptic number.

It is an amenable number.

67728273076 is a deficient number, since it is larger than the sum of its proper divisors (50796204814).

67728273076 is a wasteful number, since it uses less digits than its factorization.

67728273076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16932068273 (or 16932068271 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 55.

The spelling of 67728273076 in words is "sixty-seven billion, seven hundred twenty-eight million, two hundred seventy-three thousand, seventy-six".