771466340 has 12 divisors (see below), whose sum is σ = 1620079356. Its totient is φ = 308586528.

The previous prime is 771466327. The next prime is 771466343. The reversal of 771466340 is 43664177.

It can be written as a sum of positive squares in 2 ways, for example, as 377602624 + 393863716 = 19432^2 + 19846^2 .

It is a junction number, because it is equal to n+sod(n) for n = 771466294 and 771466303.

It is not an unprimeable number, because it can be changed into a prime (771466343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19286639 + ... + 19286678.

It is an arithmetic number, because the mean of its divisors is an integer number (135006613).

Almost surely, 2^771466340 is an apocalyptic number.

It is an amenable number.

771466340 is an abundant number, since it is smaller than the sum of its proper divisors (848613016).

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

771466340 is a wasteful number, since it uses less digits than its factorization.

771466340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38573326 (or 38573324 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 771466340 is about 27775.2828968491. The cubic root of 771466340 is about 917.1470933242.

The spelling of 771466340 in words is "seven hundred seventy-one million, four hundred sixty-six thousand, three hundred forty".