8542472 has 16 divisors (see below), whose sum is σ = 16569900. Its totient is φ = 4123840.

The previous prime is 8542463. The next prime is 8542481. The reversal of 8542472 is 2742458.

It is an interprime number because it is at equal distance from previous prime (8542463) and next prime (8542481).

It can be written as a sum of positive squares in 2 ways, for example, as 8491396 + 51076 = 2914^2 + 226^2 .

It is a d-powerful number, because it can be written as 8⁵ + 5⁵ + 4³ + 2 + 4⁴ + 7⁶ + 2²³ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18179 + ... + 18642.

Almost surely, 2^8542472 is an apocalyptic number.

It is an amenable number.

8542472 is a deficient number, since it is larger than the sum of its proper divisors (8027428).

8542472 is a wasteful number, since it uses less digits than its factorization.

8542472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36856 (or 36852 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 8542472 is about 2922.7507591309. The cubic root of 8542472 is about 204.4221043467.

The spelling of 8542472 in words is "eight million, five hundred forty-two thousand, four hundred seventy-two".