780270620 has 48 divisors (see below), whose sum is σ = 1697783808. Its totient is φ = 300905280.

The previous prime is 780270571. The next prime is 780270679. The reversal of 780270620 is 26072087.

780270620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173237 + ... + 177683.

It is an arithmetic number, because the mean of its divisors is an integer number (35370496).

Almost surely, 2^780270620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780270620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848891904).

780270620 is an abundant number, since it is smaller than the sum of its proper divisors (917513188).

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

780270620 is a wasteful number, since it uses less digits than its factorization.

780270620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770 (or 4768 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 780270620 is about 27933.3245425603. The cubic root of 780270620 is about 920.6228532714.

The spelling of 780270620 in words is "seven hundred eighty million, two hundred seventy thousand, six hundred twenty".