8130274 has 4 divisors (see below), whose sum is σ = 12195414. Its totient is φ = 4065136.

The previous prime is 8130251. The next prime is 8130299. The reversal of 8130274 is 4720318.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5489649 + 2640625 = 2343^2 + 1625^2 .

It is a super-2 number, since 2×8130274² = 132202710630152, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032567 + ... + 2032570.

Almost surely, 2^8130274 is an apocalyptic number.

8130274 is a deficient number, since it is larger than the sum of its proper divisors (4065140).

8130274 is a wasteful number, since it uses less digits than its factorization.

8130274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065139.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8130274 is about 2851.3635334696. The cubic root of 8130274 is about 201.0797765882.

The spelling of 8130274 in words is "eight million, one hundred thirty thousand, two hundred seventy-four".