8724494025 has 81 divisors (see below), whose sum is σ = 16956443829. Its totient is φ = 4286168640.

The previous prime is 8724493963. The next prime is 8724494039. The reversal of 8724494025 is 5204944278.

The square root of 8724494025 is 93405.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2248751241 + 6475742784 = 47421^2 + 80472^2 .

It is not a de Polignac number, because 8724494025 - 2¹¹ = 8724491977 is a prime.

It is a super-2 number, since 2×8724494025² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 18213736 + ... + 18214214.

Almost surely, 2^8724494025 is an apocalyptic number.

8724494025 is the 93405-th square number.

8724494025 is the 46703-rd centered octagonal number.

It is an amenable number.

8724494025 is a deficient number, since it is larger than the sum of its proper divisors (8231949804).

8724494025 is a wasteful number, since it uses less digits than its factorization.

8724494025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The cubic root of 8724494025 is about 2058.6384650752.

The spelling of 8724494025 in words is "eight billion, seven hundred twenty-four million, four hundred ninety-four thousand, twenty-five".