67712372447 has 2 divisors, whose sum is σ = 67712372448. Its totient is φ = 67712372446.

The previous prime is 67712372423. The next prime is 67712372467. The reversal of 67712372447 is 74427321776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67712372447 - 2⁶ = 67712372383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67712372395 and 67712372404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67712372467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33856186223 + 33856186224.

It is an arithmetic number, because the mean of its divisors is an integer number (33856186224).

Almost surely, 2^67712372447 is an apocalyptic number.

67712372447 is a deficient number, since it is larger than the sum of its proper divisors (1).

67712372447 is an equidigital number, since it uses as much as digits as its factorization.

67712372447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2765952, while the sum is 50.

The spelling of 67712372447 in words is "sixty-seven billion, seven hundred twelve million, three hundred seventy-two thousand, four hundred forty-seven".