766770732 has 192 divisors, whose sum is σ = 2488729600. Its totient is φ = 198754560.

The previous prime is 766770731. The next prime is 766770749. The reversal of 766770732 is 237077667.

It is not an unprimeable number, because it can be changed into a prime (766770731) 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 63 ways as a sum of consecutive naturals, for example, 598869 + ... + 600147.

Almost surely, 2^766770732 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 766770732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244364800).

766770732 is an abundant number, since it is smaller than the sum of its proper divisors (1721958868).

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

766770732 is a wasteful number, since it uses less digits than its factorization.

766770732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 45.

The square root of 766770732 is about 27690.6253450513. The cubic root of 766770732 is about 915.2825356998.

The spelling of 766770732 in words is "seven hundred sixty-six million, seven hundred seventy thousand, seven hundred thirty-two".