8148730 has 8 divisors (see below), whose sum is σ = 14667732. Its totient is φ = 3259488.

The previous prime is 8148727. The next prime is 8148733. The reversal of 8148730 is 378418.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8148727) and next prime (8148733).

It can be written as a sum of positive squares in 2 ways, for example, as 7901721 + 247009 = 2811^2 + 497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8148730² = 132803601225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8148692 and 8148701.

It is not an unprimeable number, because it can be changed into a prime (8148733) 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, 407427 + ... + 407446.

Almost surely, 2^8148730 is an apocalyptic number.

8148730 is a deficient number, since it is larger than the sum of its proper divisors (6519002).

8148730 is a wasteful number, since it uses less digits than its factorization.

8148730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814880.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 8148730 is about 2854.5980452596. The cubic root of 8148730 is about 201.2318142589.

The spelling of 8148730 in words is "eight million, one hundred forty-eight thousand, seven hundred thirty".