2071620717 has 16 divisors (see below), whose sum is σ = 2785574400. Its totient is φ = 1369423872.

The previous prime is 2071620701. The next prime is 2071620721. The reversal of 2071620717 is 7170261702.

It is a happy number.

It is not a de Polignac number, because 2071620717 - 2⁴ = 2071620701 is a prime.

It is a super-2 number, since 2×2071620717² = 8583224790207188178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071620737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165909 + ... + 177957.

It is an arithmetic number, because the mean of its divisors is an integer number (174098400).

Almost surely, 2^2071620717 is an apocalyptic number.

It is an amenable number.

2071620717 is a deficient number, since it is larger than the sum of its proper divisors (713953683).

2071620717 is a wasteful number, since it uses less digits than its factorization.

2071620717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12532.

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 2071620717 is about 45515.0603317188. The cubic root of 2071620717 is about 1274.7844242986.

The spelling of 2071620717 in words is "two billion, seventy-one million, six hundred twenty thousand, seven hundred seventeen".