7876945 has 16 divisors (see below), whose sum is σ = 9884160. Its totient is φ = 6019200.

The previous prime is 7876937. The next prime is 7876969. The reversal of 7876945 is 5496787.

It is a happy number.

It is not a de Polignac number, because 7876945 - 2³ = 7876937 is a prime.

It is an alternating number because its digits alternate between odd and even.

7876945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7876895 and 7876904.

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, 13510 + ... + 14080.

It is an arithmetic number, because the mean of its divisors is an integer number (617760).

Almost surely, 2^7876945 is an apocalyptic number.

It is an amenable number.

7876945 is a deficient number, since it is larger than the sum of its proper divisors (2007215).

7876945 is a wasteful number, since it uses less digits than its factorization.

7876945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its digits is 423360, while the sum is 46.

The square root of 7876945 is about 2806.5895674288. The cubic root of 7876945 is about 198.9692384460.

The spelling of 7876945 in words is "seven million, eight hundred seventy-six thousand, nine hundred forty-five".