8730140 has 12 divisors (see below), whose sum is σ = 18333336. Its totient is φ = 3492048.

The previous prime is 8730103. The next prime is 8730149. The reversal of 8730140 is 410378.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8730149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218234 + ... + 218273.

It is an arithmetic number, because the mean of its divisors is an integer number (1527778).

Almost surely, 2^8730140 is an apocalyptic number.

It is an amenable number.

8730140 is an abundant number, since it is smaller than the sum of its proper divisors (9603196).

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

8730140 is a wasteful number, since it uses less digits than its factorization.

8730140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436516 (or 436514 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8730140 is about 2954.6810318544. The cubic root of 8730140 is about 205.9082445549.

The spelling of 8730140 in words is "eight million, seven hundred thirty thousand, one hundred forty".