1768217412 has 24 divisors (see below), whose sum is σ = 4443213376. Its totient is φ = 544066848.

The previous prime is 1768217411. The next prime is 1768217443. The reversal of 1768217412 is 2147128671.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1768217411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5667208 + ... + 5667519.

Almost surely, 2^1768217412 is an apocalyptic number.

1768217412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1768217412 is an abundant number, since it is smaller than the sum of its proper divisors (2674995964).

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

1768217412 is a wasteful number, since it uses less digits than its factorization.

1768217412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11334747 (or 11334745 counting only the distinct ones).

The product of its digits is 37632, while the sum is 39.

The square root of 1768217412 is about 42050.1773123491. The cubic root of 1768217412 is about 1209.2382820537.

The spelling of 1768217412 in words is "one billion, seven hundred sixty-eight million, two hundred seventeen thousand, four hundred twelve".