766705126 has 12 divisors (see below), whose sum is σ = 1264113396. Its totient is φ = 348502220.

The previous prime is 766705099. The next prime is 766705127. The reversal of 766705126 is 621507667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766705127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1583860 + ... + 1584343.

It is an arithmetic number, because the mean of its divisors is an integer number (105342783).

Almost surely, 2^766705126 is an apocalyptic number.

766705126 is a deficient number, since it is larger than the sum of its proper divisors (497408270).

766705126 is a wasteful number, since it uses less digits than its factorization.

766705126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168227 (or 3168216 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 766705126 is about 27689.4406949653. The cubic root of 766705126 is about 915.2564306612.

It can be divided in two parts, 76670 and 5126, that added together give a square (81796 = 286²).

The spelling of 766705126 in words is "seven hundred sixty-six million, seven hundred five thousand, one hundred twenty-six".