8167972 has 24 divisors (see below), whose sum is σ = 14805560. Its totient is φ = 3939840.

The previous prime is 8167927. The next prime is 8167993. The reversal of 8167972 is 2797618.

It can be written as a sum of positive squares in 4 ways, for example, as 5875776 + 2292196 = 2424^2 + 1514^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33772 + ... + 34012.

Almost surely, 2^8167972 is an apocalyptic number.

It is an amenable number.

8167972 is a deficient number, since it is larger than the sum of its proper divisors (6637588).

8167972 is a wasteful number, since it uses less digits than its factorization.

8167972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 8167972 is about 2857.9664098796. The cubic root of 8167972 is about 201.3900826339.

The spelling of 8167972 in words is "eight million, one hundred sixty-seven thousand, nine hundred seventy-two".