782211342 has 64 divisors (see below), whose sum is σ = 1801347840. Its totient is φ = 223948800.

The previous prime is 782211341. The next prime is 782211371. The reversal of 782211342 is 243112287.

It is a super-2 number, since 2×782211342² = 1223709167106881928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782211341) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 677838 + ... + 678990.

It is an arithmetic number, because the mean of its divisors is an integer number (28146060).

Almost surely, 2^782211342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 782211342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900673920).

782211342 is an abundant number, since it is smaller than the sum of its proper divisors (1019136498).

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

782211342 is a wasteful number, since it uses less digits than its factorization.

782211342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729.

The product of its digits is 5376, while the sum is 30.

The square root of 782211342 is about 27968.0414401867. The cubic root of 782211342 is about 921.3854919964.

The spelling of 782211342 in words is "seven hundred eighty-two million, two hundred eleven thousand, three hundred forty-two".