67720673246 has 16 divisors (see below), whose sum is σ = 102174923760. Its totient is φ = 33662485440.

The previous prime is 67720673213. The next prime is 67720673261. The reversal of 67720673246 is 64237602776.

It is a junction number, because it is equal to n+sod(n) for n = 67720673194 and 67720673203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168850 + ... + 1225418.

It is an arithmetic number, because the mean of its divisors is an integer number (6385932735).

Almost surely, 2^67720673246 is an apocalyptic number.

67720673246 is a deficient number, since it is larger than the sum of its proper divisors (34454250514).

67720673246 is a wasteful number, since it uses less digits than its factorization.

67720673246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60059.

The product of its (nonzero) digits is 3556224, while the sum is 50.

The spelling of 67720673246 in words is "sixty-seven billion, seven hundred twenty million, six hundred seventy-three thousand, two hundred forty-six".