8146740 has 144 divisors (see below), whose sum is σ = 28268352. Its totient is φ = 1741824.

The previous prime is 8146711. The next prime is 8146751. The reversal of 8146740 is 476418.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8146698 and 8146707.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 49899 + ... + 50061.

It is an arithmetic number, because the mean of its divisors is an integer number (196308).

Almost surely, 2^8146740 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 8146740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14134176).

8146740 is an abundant number, since it is smaller than the sum of its proper divisors (20121612).

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

8146740 is a wasteful number, since it uses less digits than its factorization.

8146740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 197 counting only the distinct ones).

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

The square root of 8146740 is about 2854.2494635193. The cubic root of 8146740 is about 201.2154319959.

The spelling of 8146740 in words is "eight million, one hundred forty-six thousand, seven hundred forty".