8372040 has 32 divisors (see below), whose sum is σ = 25116480. Its totient is φ = 2232512.

The previous prime is 8372029. The next prime is 8372051. The reversal of 8372040 is 402738.

It is an interprime number because it is at equal distance from previous prime (8372029) and next prime (8372051).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8372040.

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, 34764 + ... + 35003.

It is an arithmetic number, because the mean of its divisors is an integer number (784890).

Almost surely, 2^8372040 is an apocalyptic number.

It is an amenable number.

8372040 is an abundant number, since it is smaller than the sum of its proper divisors (16744440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8372040 is a wasteful number, since it uses less digits than its factorization.

8372040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69781 (or 69777 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 8372040 is about 2893.4477703943. The cubic root of 8372040 is about 203.0534774621.

Adding to 8372040 its reverse (402738), we get a palindrome (8774778).

The spelling of 8372040 in words is "eight million, three hundred seventy-two thousand, forty".