8530724 has 12 divisors (see below), whose sum is σ = 14949900. Its totient is φ = 4259328.

The previous prime is 8530699. The next prime is 8530733. The reversal of 8530724 is 4270358.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2190400 + 6340324 = 1480^2 + 2518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572 + ... + 5460.

It is an arithmetic number, because the mean of its divisors is an integer number (1245825).

Almost surely, 2^8530724 is an apocalyptic number.

It is an amenable number.

8530724 is a deficient number, since it is larger than the sum of its proper divisors (6419176).

8530724 is a wasteful number, since it uses less digits than its factorization.

8530724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3020 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 8530724 is about 2920.7403171114. The cubic root of 8530724 is about 204.3283511321.

The spelling of 8530724 in words is "eight million, five hundred thirty thousand, seven hundred twenty-four".