767761340 has 24 divisors (see below), whose sum is σ = 1635010272. Its totient is φ = 302778560.

The previous prime is 767761333. The next prime is 767761343. The reversal of 767761340 is 43167767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (767761343) 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 7 ways as a sum of consecutive naturals, for example, 268919 + ... + 271758.

It is an arithmetic number, because the mean of its divisors is an integer number (68125428).

Almost surely, 2^767761340 is an apocalyptic number.

It is an amenable number.

767761340 is an abundant number, since it is smaller than the sum of its proper divisors (867248932).

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

767761340 is a wasteful number, since it uses less digits than its factorization.

767761340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540757 (or 540755 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 767761340 is about 27708.5066360495. The cubic root of 767761340 is about 915.6765239714.

The spelling of 767761340 in words is "seven hundred sixty-seven million, seven hundred sixty-one thousand, three hundred forty".