766201728 has 32 divisors (see below), whose sum is σ = 2035224360. Its totient is φ = 255400448.

The previous prime is 766201703. The next prime is 766201741. The reversal of 766201728 is 827102667.

766201728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997275 + ... + 998042.

Almost surely, 2^766201728 is an apocalyptic number.

It is an amenable number.

766201728 is an abundant number, since it is smaller than the sum of its proper divisors (1269022632).

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

766201728 is a wasteful number, since it uses less digits than its factorization.

766201728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995334 (or 1995322 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 766201728 is about 27680.3491307462. The cubic root of 766201728 is about 915.0560758729.

The spelling of 766201728 in words is "seven hundred sixty-six million, two hundred one thousand, seven hundred twenty-eight".