766406043 has 30 divisors (see below), whose sum is σ = 1239742284. Its totient is φ = 471626064.

The previous prime is 766406033. The next prime is 766406051. The reversal of 766406043 is 340604667.

766406043 is a `hidden beast` number, since 7 + 6 + 6 + 40 + 604 + 3 = 666.

It is not a de Polignac number, because 766406043 - 2¹⁰ = 766405019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766405989 and 766406007.

It is not an unprimeable number, because it can be changed into a prime (766406033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14305 + ... + 41682.

Almost surely, 2^766406043 is an apocalyptic number.

766406043 is a deficient number, since it is larger than the sum of its proper divisors (473336241).

766406043 is a wasteful number, since it uses less digits than its factorization.

766406043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56025 (or 56003 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 766406043 is about 27684.0394993216. The cubic root of 766406043 is about 915.1374047883.

The spelling of 766406043 in words is "seven hundred sixty-six million, four hundred six thousand, forty-three".