782836452 has 72 divisors (see below), whose sum is σ = 2039113440. Its totient is φ = 253073280.

The previous prime is 782836409. The next prime is 782836471. The reversal of 782836452 is 254638287.

It is a super-2 number, since 2×782836452² = 1225665821159896608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 782836398 and 782836407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262723 + ... + 265685.

It is an arithmetic number, because the mean of its divisors is an integer number (28321020).

Almost surely, 2^782836452 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 782836452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019556720).

782836452 is an abundant number, since it is smaller than the sum of its proper divisors (1256276988).

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

782836452 is a wasteful number, since it uses less digits than its factorization.

782836452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193 (or 3188 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 782836452 is about 27979.2146423019. The cubic root of 782836452 is about 921.6308706610.

The spelling of 782836452 in words is "seven hundred eighty-two million, eight hundred thirty-six thousand, four hundred fifty-two".