67670703717731 has 2 divisors, whose sum is σ = 67670703717732. Its totient is φ = 67670703717730.

The previous prime is 67670703717619. The next prime is 67670703717751. The reversal of 67670703717731 is 13771730707676.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67670703717731 is a prime.

It is a super-2 number, since 2×67670703717731² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67670703717751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33835351858865 + 33835351858866.

It is an arithmetic number, because the mean of its divisors is an integer number (33835351858866).

Almost surely, 2^{67670703717731} is an apocalyptic number.

67670703717731 is a deficient number, since it is larger than the sum of its proper divisors (1).

67670703717731 is an equidigital number, since it uses as much as digits as its factorization.

67670703717731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38118276, while the sum is 62.

The spelling of 67670703717731 in words is "sixty-seven trillion, six hundred seventy billion, seven hundred three million, seven hundred seventeen thousand, seven hundred thirty-one".