766066743 has 12 divisors (see below), whose sum is σ = 1191659560. Its totient is φ = 471425616.

The previous prime is 766066739. The next prime is 766066747. The reversal of 766066743 is 347660667.

It is an interprime number because it is at equal distance from previous prime (766066739) and next prime (766066747).

It is not a de Polignac number, because 766066743 - 2² = 766066739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766066747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3273673 + ... + 3273906.

Almost surely, 2^766066743 is an apocalyptic number.

766066743 is a deficient number, since it is larger than the sum of its proper divisors (425592817).

766066743 is a wasteful number, since it uses less digits than its factorization.

766066743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547598 (or 6547595 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The square root of 766066743 is about 27677.9107412391. The cubic root of 766066743 is about 915.0023362836.

The spelling of 766066743 in words is "seven hundred sixty-six million, sixty-six thousand, seven hundred forty-three".