766490361 has 16 divisors (see below), whose sum is σ = 1257830784. Its totient is φ = 404302464.

The previous prime is 766490359. The next prime is 766490371. The reversal of 766490361 is 163094667.

It is not a de Polignac number, because 766490361 - 2¹ = 766490359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (766490321) 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, 1403556 + ... + 1404101.

It is an arithmetic number, because the mean of its divisors is an integer number (78614424).

Almost surely, 2^766490361 is an apocalyptic number.

It is an amenable number.

766490361 is a deficient number, since it is larger than the sum of its proper divisors (491340423).

766490361 is a wasteful number, since it uses less digits than its factorization.

766490361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807680.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 766490361 is about 27685.5623204587. The cubic root of 766490361 is about 915.1709639035.

The spelling of 766490361 in words is "seven hundred sixty-six million, four hundred ninety thousand, three hundred sixty-one".