1683368742 has 64 divisors (see below), whose sum is σ = 3808684800. Its totient is φ = 491326080.

The previous prime is 1683368741. The next prime is 1683368801. The reversal of 1683368742 is 2478633861.

It is a junction number, because it is equal to n+sod(n) for n = 1683368691 and 1683368700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683368741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065309 + ... + 1066887.

It is an arithmetic number, because the mean of its divisors is an integer number (59510700).

Almost surely, 2^1683368742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1683368742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1904342400).

1683368742 is an abundant number, since it is smaller than the sum of its proper divisors (2125316058).

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

1683368742 is a wasteful number, since it uses less digits than its factorization.

1683368742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181.

The product of its digits is 1161216, while the sum is 48.

The square root of 1683368742 is about 41028.8769283294. The cubic root of 1683368742 is about 1189.5784449439.

The spelling of 1683368742 in words is "one billion, six hundred eighty-three million, three hundred sixty-eight thousand, seven hundred forty-two".