1068217340 has 24 divisors (see below), whose sum is σ = 2249039520. Its totient is φ = 426185408.

The previous prime is 1068217333. The next prime is 1068217453. The reversal of 1068217340 is 437128601.

It is a super-2 number, since 2×1068217340² = 2282176570953351200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068217297 and 1068217306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60872 + ... + 76431.

It is an arithmetic number, because the mean of its divisors is an integer number (93709980).

Almost surely, 2^1068217340 is an apocalyptic number.

1068217340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068217340 is an abundant number, since it is smaller than the sum of its proper divisors (1180822180).

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

1068217340 is a wasteful number, since it uses less digits than its factorization.

1068217340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137701 (or 137699 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1068217340 is about 32683.5943555785. The cubic root of 1068217340 is about 1022.2407932897.

The spelling of 1068217340 in words is "one billion, sixty-eight million, two hundred seventeen thousand, three hundred forty".