740681605206 has 12 divisors (see below), whose sum is σ = 1604810144652. Its totient is φ = 246893868396.

The previous prime is 740681605193. The next prime is 740681605211. The reversal of 740681605206 is 602506186047.

740681605206 is a `hidden beast` number, since 7 + 4 + 0 + 68 + 1 + 60 + 520 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20574489016 + ... + 20574489051.

It is an arithmetic number, because the mean of its divisors is an integer number (133734178721).

Almost surely, 2^740681605206 is an apocalyptic number.

740681605206 is an abundant number, since it is smaller than the sum of its proper divisors (864128539446).

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

740681605206 is a wasteful number, since it uses less digits than its factorization.

740681605206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41148978075 (or 41148978072 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 740681605206 in words is "seven hundred forty billion, six hundred eighty-one million, six hundred five thousand, two hundred six".