7860736 has 40 divisors (see below), whose sum is σ = 16928604. Its totient is φ = 3624960.

The previous prime is 7860731. The next prime is 7860751. The reversal of 7860736 is 6370687.

It can be written as a sum of positive squares in 2 ways, for example, as 7840000 + 20736 = 2800^2 + 144^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7860695 and 7860704.

It is not an unprimeable number, because it can be changed into a prime (7860731) 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, 6066 + ... + 7246.

Almost surely, 2^7860736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7860736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8464302).

7860736 is an abundant number, since it is smaller than the sum of its proper divisors (9067868).

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

7860736 is a wasteful number, since it uses less digits than its factorization.

7860736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 7860736 is about 2803.7004119556. The cubic root of 7860736 is about 198.8326665859.

The spelling of 7860736 in words is "seven million, eight hundred sixty thousand, seven hundred thirty-six".