767738480 has 20 divisors (see below), whose sum is σ = 1784992152. Its totient is φ = 307095360.

The previous prime is 767738473. The next prime is 767738483. The reversal of 767738480 is 84837767.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (767738483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4798286 + ... + 4798445.

Almost surely, 2^767738480 is an apocalyptic number.

It is an amenable number.

767738480 is an abundant number, since it is smaller than the sum of its proper divisors (1017253672).

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

767738480 is a wasteful number, since it uses less digits than its factorization.

767738480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9596744 (or 9596738 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 767738480 is about 27708.0941242807. The cubic root of 767738480 is about 915.6674358290.

The spelling of 767738480 in words is "seven hundred sixty-seven million, seven hundred thirty-eight thousand, four hundred eighty".