782272380 has 48 divisors (see below), whose sum is σ = 2220380064. Its totient is φ = 205747200.

The previous prime is 782272367. The next prime is 782272409. The reversal of 782272380 is 83272287.

782272380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×782272380² = 1223900153021728800, which contains 22 as substring.

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, 84921 + ... + 93680.

It is an arithmetic number, because the mean of its divisors is an integer number (46257918).

Almost surely, 2^782272380 is an apocalyptic number.

It is an amenable number.

782272380 is an abundant number, since it is smaller than the sum of its proper divisors (1438107684).

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

782272380 is a wasteful number, since it uses less digits than its factorization.

782272380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178686 (or 178684 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 782272380 is about 27969.1326286676. The cubic root of 782272380 is about 921.4094574142.

The spelling of 782272380 in words is "seven hundred eighty-two million, two hundred seventy-two thousand, three hundred eighty".