780466272 has 48 divisors (see below), whose sum is σ = 2053719360. Its totient is φ = 259521152.

The previous prime is 780466229. The next prime is 780466279. The reversal of 780466272 is 272664087.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780466279) 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 7 ways as a sum of consecutive naturals, for example, 30523 + ... + 49925.

It is an arithmetic number, because the mean of its divisors is an integer number (42785820).

Almost surely, 2^780466272 is an apocalyptic number.

It is an amenable number.

780466272 is an abundant number, since it is smaller than the sum of its proper divisors (1273253088).

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

780466272 is a wasteful number, since it uses less digits than its factorization.

780466272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19835 (or 19827 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 780466272 is about 27936.8264482564. The cubic root of 780466272 is about 920.6997952302.

The spelling of 780466272 in words is "seven hundred eighty million, four hundred sixty-six thousand, two hundred seventy-two".