7120071005 has 8 divisors (see below), whose sum is σ = 8549251512. Its totient is φ = 5692612608.

The previous prime is 7120070989. The next prime is 7120071017. The reversal of 7120071005 is 5001700217.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2356034521 + 4764036484 = 48539^2 + 69022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7120071005 - 2⁴ = 7120070989 is a prime.

It is a super-2 number, since 2×7120071005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421412 + ... + 437981.

It is an arithmetic number, because the mean of its divisors is an integer number (1068656439).

Almost surely, 2^7120071005 is an apocalyptic number.

It is an amenable number.

7120071005 is a deficient number, since it is larger than the sum of its proper divisors (1429180507).

7120071005 is a wasteful number, since it uses less digits than its factorization.

7120071005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861055.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 7120071005 is about 84380.5131828433. The cubic root of 7120071005 is about 1923.8067382992.

The spelling of 7120071005 in words is "seven billion, one hundred twenty million, seventy-one thousand, five".