1061705672 has 16 divisors (see below), whose sum is σ = 1997786700. Its totient is φ = 528962560.

The previous prime is 1061705663. The next prime is 1061705707. The reversal of 1061705672 is 2765071601.

It can be written as a sum of positive squares in 2 ways, for example, as 1029511396 + 32194276 = 32086^2 + 5674^2 .

It is a super-2 number, since 2×1061705672² = 2254437867913943168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233897 + ... + 238392.

Almost surely, 2^1061705672 is an apocalyptic number.

It is an amenable number.

1061705672 is a deficient number, since it is larger than the sum of its proper divisors (936081028).

1061705672 is a wasteful number, since it uses less digits than its factorization.

1061705672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472576 (or 472572 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1061705672 is about 32583.8253125688. The cubic root of 1061705672 is about 1020.1594240109.

The spelling of 1061705672 in words is "one billion, sixty-one million, seven hundred five thousand, six hundred seventy-two".