1066070705 has 24 divisors (see below), whose sum is σ = 1513391040. Its totient is φ = 718620000.

The previous prime is 1066070699. The next prime is 1066070717. The reversal of 1066070705 is 5070706601.

It is not a de Polignac number, because 1066070705 - 2⁴ = 1066070689 is a prime.

It is a super-2 number, since 2×1066070705² = 2273013496118394050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22421 + ... + 51330.

It is an arithmetic number, because the mean of its divisors is an integer number (63057960).

Almost surely, 2^1066070705 is an apocalyptic number.

It is an amenable number.

1066070705 is a deficient number, since it is larger than the sum of its proper divisors (447320335).

1066070705 is an equidigital number, since it uses as much as digits as its factorization.

1066070705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73829 (or 73822 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 1066070705 is about 32650.7381999244. The cubic root of 1066070705 is about 1021.5555864722. Note that the first 4 decimals are identical.

The spelling of 1066070705 in words is "one billion, sixty-six million, seventy thousand, seven hundred five".