766061212 has 48 divisors (see below), whose sum is σ = 1585059840. Its totient is φ = 317016000.

The previous prime is 766061189. The next prime is 766061221. The reversal of 766061212 is 212160667.

It is a happy number.

766061212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607839 + ... + 609097.

It is an arithmetic number, because the mean of its divisors is an integer number (33022080).

Almost surely, 2^766061212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766061212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792529920).

766061212 is an abundant number, since it is smaller than the sum of its proper divisors (818998628).

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

766061212 is a wasteful number, since it uses less digits than its factorization.

766061212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 766061212 is about 27677.8108238350. The cubic root of 766061212 is about 915.0001341734. Note that the first 3 decimals are identical.

The spelling of 766061212 in words is "seven hundred sixty-six million, sixty-one thousand, two hundred twelve".