102273738 has 16 divisors (see below), whose sum is σ = 233768640. Its totient is φ = 29221056.

The previous prime is 102273733. The next prime is 102273763. The reversal of 102273738 is 837372201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102273699 and 102273708.

It is not an unprimeable number, because it can be changed into a prime (102273733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217503 + ... + 1217586.

It is an arithmetic number, because the mean of its divisors is an integer number (14610540).

Almost surely, 2^102273738 is an apocalyptic number.

102273738 is an abundant number, since it is smaller than the sum of its proper divisors (131494902).

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

102273738 is a wasteful number, since it uses less digits than its factorization.

102273738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435101.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 102273738 is about 10113.0479085190. The cubic root of 102273738 is about 467.6504713572.

The spelling of 102273738 in words is "one hundred two million, two hundred seventy-three thousand, seven hundred thirty-eight".