766533552 has 80 divisors (see below), whose sum is σ = 2017037568. Its totient is φ = 250801920.

The previous prime is 766533463. The next prime is 766533563. The reversal of 766533552 is 255335667.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 720573 + ... + 721635.

Almost surely, 2^766533552 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 766533552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008518784).

766533552 is an abundant number, since it is smaller than the sum of its proper divisors (1250504016).

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

766533552 is a wasteful number, since it uses less digits than its factorization.

766533552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1332 counting only the distinct ones).

The product of its digits is 567000, while the sum is 42.

The square root of 766533552 is about 27686.3423369719. The cubic root of 766533552 is about 915.1881532506.

The spelling of 766533552 in words is "seven hundred sixty-six million, five hundred thirty-three thousand, five hundred fifty-two".