740841685 has 16 divisors (see below), whose sum is σ = 937027440. Its totient is φ = 561433600.

The previous prime is 740841677. The next prime is 740841727. The reversal of 740841685 is 586148047.

It can be written as a sum of positive squares in 8 ways, for example, as 71791729 + 669049956 = 8473^2 + 25866^2 .

It is not a de Polignac number, because 740841685 - 2³ = 740841677 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40516 + ... + 55885.

It is an arithmetic number, because the mean of its divisors is an integer number (58564215).

Almost surely, 2^740841685 is an apocalyptic number.

It is an amenable number.

740841685 is a deficient number, since it is larger than the sum of its proper divisors (196185755).

740841685 is a wasteful number, since it uses less digits than its factorization.

740841685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96488.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 740841685 is about 27218.4070988734. The cubic root of 740841685 is about 904.8469710628.

The spelling of 740841685 in words is "seven hundred forty million, eight hundred forty-one thousand, six hundred eighty-five".