782690043 has 4 divisors (see below), whose sum is σ = 1043586728. Its totient is φ = 521793360.

The previous prime is 782690039. The next prime is 782690057. The reversal of 782690043 is 340096287.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 782690043 - 2² = 782690039 is a prime.

It is a super-2 number, since 2×782690043² = 1225207406822683698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 782689983 and 782690010.

It is not an unprimeable number, because it can be changed into a prime (782690003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130448338 + ... + 130448343.

It is an arithmetic number, because the mean of its divisors is an integer number (260896682).

Almost surely, 2^782690043 is an apocalyptic number.

782690043 is a deficient number, since it is larger than the sum of its proper divisors (260896685).

782690043 is a wasteful number, since it uses less digits than its factorization.

782690043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260896684.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 782690043 is about 27976.5981312954. The cubic root of 782690043 is about 921.5734114617.

The spelling of 782690043 in words is "seven hundred eighty-two million, six hundred ninety thousand, forty-three".