1070420717 has 2 divisors, whose sum is σ = 1070420718. Its totient is φ = 1070420716.

The previous prime is 1070420699. The next prime is 1070420737. The reversal of 1070420717 is 7170240701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1032401161 + 38019556 = 32131^2 + 6166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1070420717 is a prime.

It is a super-2 number, since 2×1070420717² = 2291601022765588178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1070420717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1070420737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535210358 + 535210359.

It is an arithmetic number, because the mean of its divisors is an integer number (535210359).

Almost surely, 2^1070420717 is an apocalyptic number.

It is an amenable number.

1070420717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070420717 is an equidigital number, since it uses as much as digits as its factorization.

1070420717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 1070420717 is about 32717.2846825650. The cubic root of 1070420717 is about 1022.9431581556.

The spelling of 1070420717 in words is "one billion, seventy million, four hundred twenty thousand, seven hundred seventeen".