8102730 has 32 divisors (see below), whose sum is σ = 19577664. Its totient is φ = 2146176.

The previous prime is 8102723. The next prime is 8102737. The reversal of 8102730 is 372018.

It is an interprime number because it is at equal distance from previous prime (8102723) and next prime (8102737).

It is a junction number, because it is equal to n+sod(n) for n = 8102697 and 8102706.

It is not an unprimeable number, because it can be changed into a prime (8102737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4062 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (611802).

Almost surely, 2^8102730 is an apocalyptic number.

8102730 is an abundant number, since it is smaller than the sum of its proper divisors (11474934).

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

8102730 is a wasteful number, since it uses less digits than its factorization.

8102730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 8102730 is about 2846.5294658584. The cubic root of 8102730 is about 200.8524448601.

Adding to 8102730 its reverse (372018), we get a palindrome (8474748).

The spelling of 8102730 in words is "eight million, one hundred two thousand, seven hundred thirty".