840762041 has 6 divisors (see below), whose sum is σ = 978029370. Its totient is φ = 720653136.

The previous prime is 840762037. The next prime is 840762059. The reversal of 840762041 is 140267048.

It can be written as a sum of positive squares in only one way, i.e., 756030016 + 84732025 = 27496^2 + 9205^2 .

It is not a de Polignac number, because 840762041 - 2² = 840762037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 840761989 and 840762007.

It is not an unprimeable number, because it can be changed into a prime (840762011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8579156 + ... + 8579253.

It is an arithmetic number, because the mean of its divisors is an integer number (163004895).

Almost surely, 2^840762041 is an apocalyptic number.

It is an amenable number.

840762041 is a deficient number, since it is larger than the sum of its proper divisors (137267329).

840762041 is a wasteful number, since it uses less digits than its factorization.

840762041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17158423 (or 17158416 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 840762041 is about 28995.8969683643. The cubic root of 840762041 is about 943.8240333367.

The spelling of 840762041 in words is "eight hundred forty million, seven hundred sixty-two thousand, forty-one".