8372145 has 16 divisors (see below), whose sum is σ = 13649472. Its totient is φ = 4380480.

The previous prime is 8372137. The next prime is 8372153. The reversal of 8372145 is 5412738.

It is an interprime number because it is at equal distance from previous prime (8372137) and next prime (8372153).

It is not a de Polignac number, because 8372145 - 2³ = 8372137 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4471 + ... + 6060.

It is an arithmetic number, because the mean of its divisors is an integer number (853092).

Almost surely, 2^8372145 is an apocalyptic number.

It is an amenable number.

8372145 is a deficient number, since it is larger than the sum of its proper divisors (5277327).

8372145 is a wasteful number, since it uses less digits than its factorization.

8372145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592.

The product of its digits is 6720, while the sum is 30.

The square root of 8372145 is about 2893.4659147811. The cubic root of 8372145 is about 203.0543263403.

The spelling of 8372145 in words is "eight million, three hundred seventy-two thousand, one hundred forty-five".