211742060 has 24 divisors (see below), whose sum is σ = 445404960. Its totient is φ = 84554624.

The previous prime is 211742057. The next prime is 211742077. The reversal of 211742060 is 60247112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761 + ... + 20919.

It is an arithmetic number, because the mean of its divisors is an integer number (18558540).

Almost surely, 2^211742060 is an apocalyptic number.

211742060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211742060 is an abundant number, since it is smaller than the sum of its proper divisors (233662900).

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

211742060 is a wasteful number, since it uses less digits than its factorization.

211742060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17785 (or 17783 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 211742060 is about 14551.3593866690. The cubic root of 211742060 is about 596.0312694733.

Adding to 211742060 its reverse (60247112), we get a palindrome (271989172).

The spelling of 211742060 in words is "two hundred eleven million, seven hundred forty-two thousand, sixty".