768727404 has 18 divisors (see below), whose sum is σ = 1943172140. Its totient is φ = 256242456.

The previous prime is 768727387. The next prime is 768727411. The reversal of 768727404 is 404727867.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 768727404.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10676734 + ... + 10676805.

Almost surely, 2^768727404 is an apocalyptic number.

It is an amenable number.

768727404 is an abundant number, since it is smaller than the sum of its proper divisors (1174444736).

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

768727404 is a wasteful number, since it uses less digits than its factorization.

768727404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353549 (or 21353544 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The square root of 768727404 is about 27725.9337804879. The cubic root of 768727404 is about 916.0604242413.

The spelling of 768727404 in words is "seven hundred sixty-eight million, seven hundred twenty-seven thousand, four hundred four".