766545738 has 32 divisors (see below), whose sum is σ = 1753159680. Its totient is φ = 218881200.

The previous prime is 766545733. The next prime is 766545739. The reversal of 766545738 is 837545667.

766545738 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 (766545733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81163 + ... + 90113.

It is an arithmetic number, because the mean of its divisors is an integer number (54786240).

Almost surely, 2^766545738 is an apocalyptic number.

766545738 is an abundant number, since it is smaller than the sum of its proper divisors (986613942).

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

766545738 is a wasteful number, since it uses less digits than its factorization.

766545738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002.

The product of its digits is 4233600, while the sum is 51.

The square root of 766545738 is about 27686.5624085042. The cubic root of 766545738 is about 915.1930029726.

The spelling of 766545738 in words is "seven hundred sixty-six million, five hundred forty-five thousand, seven hundred thirty-eight".