7072066377517 has 4 divisors (see below), whose sum is σ = 7136947720540. Its totient is φ = 7007185034496.

The previous prime is 7072066377491. The next prime is 7072066377521. The reversal of 7072066377517 is 7157736602707.

It is a happy number.

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 5649339863556 + 1422726513961 = 2376834^2 + 1192781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7072066377517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072066317517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32440671348 + ... + 32440671565.

It is an arithmetic number, because the mean of its divisors is an integer number (1784236930135).

Almost surely, 2^{7072066377517} is an apocalyptic number.

It is an amenable number.

7072066377517 is a deficient number, since it is larger than the sum of its proper divisors (64881343023).

7072066377517 is a wasteful number, since it uses less digits than its factorization.

7072066377517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64881343022.

The product of its (nonzero) digits is 18151560, while the sum is 58.

The spelling of 7072066377517 in words is "seven trillion, seventy-two billion, sixty-six million, three hundred seventy-seven thousand, five hundred seventeen".