102742068 has 72 divisors (see below), whose sum is σ = 283828384. Its totient is φ = 28733760.

The previous prime is 102742039. The next prime is 102742151. The reversal of 102742068 is 860247201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16155 + ... + 21597.

Almost surely, 2^102742068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102742068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141914192).

102742068 is an abundant number, since it is smaller than the sum of its proper divisors (181086316).

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

102742068 is a wasteful number, since it uses less digits than its factorization.

102742068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485 (or 5472 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 102742068 is about 10136.1762020991. The cubic root of 102742068 is about 468.3632033340.

Adding to 102742068 its reverse (860247201), we get a palindrome (962989269).

The spelling of 102742068 in words is "one hundred two million, seven hundred forty-two thousand, sixty-eight".