782045842 has 16 divisors (see below), whose sum is σ = 1231637760. Its totient is φ = 371902608.

The previous prime is 782045821. The next prime is 782045857. The reversal of 782045842 is 248540287.

It is a super-2 number, since 2×782045842² = 1223191397978977928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 782045795 and 782045804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96738 + ... + 104509.

It is an arithmetic number, because the mean of its divisors is an integer number (76977360).

Almost surely, 2^782045842 is an apocalyptic number.

782045842 is a deficient number, since it is larger than the sum of its proper divisors (449591918).

782045842 is a wasteful number, since it uses less digits than its factorization.

782045842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201345.

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 782045842 is about 27965.0825494938. The cubic root of 782045842 is about 921.3205052737.

The spelling of 782045842 in words is "seven hundred eighty-two million, forty-five thousand, eight hundred forty-two".