67703753607073 has 4 divisors (see below), whose sum is σ = 68981182920468. Its totient is φ = 66426324293680.

The previous prime is 67703753607059. The next prime is 67703753607097. The reversal of 67703753607073 is 37070635730776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22923191625489 + 44780561981584 = 4787817^2 + 6691828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67703753607073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67703753607023) 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, 638714656618 + ... + 638714656723.

It is an arithmetic number, because the mean of its divisors is an integer number (17245295730117).

Almost surely, 2^{67703753607073} is an apocalyptic number.

It is an amenable number.

67703753607073 is a deficient number, since it is larger than the sum of its proper divisors (1277429313395).

67703753607073 is a wasteful number, since it uses less digits than its factorization.

67703753607073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277429313394.

The product of its (nonzero) digits is 81682020, while the sum is 61.

The spelling of 67703753607073 in words is "sixty-seven trillion, seven hundred three billion, seven hundred fifty-three million, six hundred seven thousand, seventy-three".