8470172 has 12 divisors (see below), whose sum is σ = 14959560. Its totient is φ = 4196016.

The previous prime is 8470171. The next prime is 8470201. The reversal of 8470172 is 2710748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8470171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9278 + ... + 10149.

It is an arithmetic number, because the mean of its divisors is an integer number (1246630).

Almost surely, 2^8470172 is an apocalyptic number.

It is an amenable number.

8470172 is a deficient number, since it is larger than the sum of its proper divisors (6489388).

8470172 is a wasteful number, since it uses less digits than its factorization.

8470172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19540 (or 19538 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 8470172 is about 2910.3559919707. The cubic root of 8470172 is about 203.8437545117.

The spelling of 8470172 in words is "eight million, four hundred seventy thousand, one hundred seventy-two".