1070720717 has 8 divisors (see below), whose sum is σ = 1172949120. Its totient is φ = 969307360.

The previous prime is 1070720713. The next prime is 1070720743. The reversal of 1070720717 is 7170270701.

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 1070720717 - 2² = 1070720713 is a prime.

It is a super-2 number, since 2×1070720717² = 2292885707625988178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070720713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201008 + ... + 206265.

It is an arithmetic number, because the mean of its divisors is an integer number (146618640).

Almost surely, 2^1070720717 is an apocalyptic number.

It is an amenable number.

1070720717 is a deficient number, since it is larger than the sum of its proper divisors (102228403).

1070720717 is a wasteful number, since it uses less digits than its factorization.

1070720717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407523.

The product of its (nonzero) digits is 4802, while the sum is 32.

The square root of 1070720717 is about 32721.8690939255. The cubic root of 1070720717 is about 1023.0387138182.

The spelling of 1070720717 in words is "one billion, seventy million, seven hundred twenty thousand, seven hundred seventeen".