771368 has 16 divisors (see below), whose sum is σ = 1557780. Its totient is φ = 355968.

The previous prime is 771359. The next prime is 771389. The reversal of 771368 is 863177.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 770884 + 484 = 878^2 + 22^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 771368.

It is an unprimeable number.

771368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3605 + ... + 3812.

2⁷⁷¹³⁶⁸ is an apocalyptic number.

It is an amenable number.

771368 is an abundant number, since it is smaller than the sum of its proper divisors (786412).

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

771368 is a wasteful number, since it uses less digits than its factorization.

771368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436 (or 7432 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 771368 is about 878.2755831742. The cubic root of 771368 is about 91.7108121618.

Subtracting 771368 from its reverse (863177), we obtain a square (91809 = 303²).

The spelling of 771368 in words is "seven hundred seventy-one thousand, three hundred sixty-eight".