8728474 has 4 divisors (see below), whose sum is σ = 13092714. Its totient is φ = 4364236.

The previous prime is 8728471. The next prime is 8728481. The reversal of 8728474 is 4748278.

It is a happy number.

8728474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 7252249 + 1476225 = 2693^2 + 1215^2 .

It is not an unprimeable number, because it can be changed into a prime (8728471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2182117 + ... + 2182120.

Almost surely, 2^8728474 is an apocalyptic number.

8728474 is a deficient number, since it is larger than the sum of its proper divisors (4364240).

8728474 is a wasteful number, since it uses less digits than its factorization.

8728474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364239.

The product of its digits is 100352, while the sum is 40.

The square root of 8728474 is about 2954.3990928783. The cubic root of 8728474 is about 205.8951456829.

It can be divided in two parts, 87 and 28474, that added together give a 4-th power (28561 = 13⁴).

The spelling of 8728474 in words is "eight million, seven hundred twenty-eight thousand, four hundred seventy-four".