1066705430 has 16 divisors (see below), whose sum is σ = 2194365600. Its totient is φ = 365727552.

The previous prime is 1066705421. The next prime is 1066705447. The reversal of 1066705430 is 345076601.

1066705430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066705430² = 2275720948782969800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7619255 + ... + 7619394.

It is an arithmetic number, because the mean of its divisors is an integer number (137147850).

Almost surely, 2^1066705430 is an apocalyptic number.

1066705430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066705430 is an abundant number, since it is smaller than the sum of its proper divisors (1127660170).

1066705430 is a wasteful number, since it uses less digits than its factorization.

1066705430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238663.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1066705430 is about 32660.4566716389. The cubic root of 1066705430 is about 1021.7582866698.

The spelling of 1066705430 in words is "one billion, sixty-six million, seven hundred five thousand, four hundred thirty".