766720100 has 36 divisors (see below), whose sum is σ = 1702484784. Its totient is φ = 299554080.

The previous prime is 766720081. The next prime is 766720109. The reversal of 766720100 is 1027667.

766720100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (766720109) 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, 84854 + ... + 93453.

It is an arithmetic number, because the mean of its divisors is an integer number (47291244).

Almost surely, 2^766720100 is an apocalyptic number.

It is an amenable number.

766720100 is an abundant number, since it is smaller than the sum of its proper divisors (935764684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766720100 is a wasteful number, since it uses less digits than its factorization.

766720100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178364 (or 178357 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 766720100 is about 27689.7110855278. The cubic root of 766720100 is about 915.2623890408.

Adding to 766720100 its reverse (1027667), we get a palindrome (767747767).

The spelling of 766720100 in words is "seven hundred sixty-six million, seven hundred twenty thousand, one hundred".