7882745 has 16 divisors (see below), whose sum is σ = 10260432. Its totient is φ = 5779200.

The previous prime is 7882741. The next prime is 7882753. The reversal of 7882745 is 5472887.

It can be written as a sum of positive squares in 8 ways, for example, as 243049 + 7639696 = 493^2 + 2764^2 .

It is not a de Polignac number, because 7882745 - 2² = 7882741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7882741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10895 + ... + 11595.

It is an arithmetic number, because the mean of its divisors is an integer number (641277).

Almost surely, 2^7882745 is an apocalyptic number.

It is an amenable number.

7882745 is a deficient number, since it is larger than the sum of its proper divisors (2377687).

7882745 is a wasteful number, since it uses less digits than its factorization.

7882745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its digits is 125440, while the sum is 41.

The square root of 7882745 is about 2807.6226598316. The cubic root of 7882745 is about 199.0180618775.

The spelling of 7882745 in words is "seven million, eight hundred eighty-two thousand, seven hundred forty-five".