7677945 has 24 divisors (see below), whose sum is σ = 14519232. Its totient is φ = 3722400.

The previous prime is 7677937. The next prime is 7677959. The reversal of 7677945 is 5497767.

It is not a de Polignac number, because 7677945 - 2³ = 7677937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7677945.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7261 + ... + 8250.

It is an arithmetic number, because the mean of its divisors is an integer number (604968).

Almost surely, 2^7677945 is an apocalyptic number.

It is an amenable number.

7677945 is a deficient number, since it is larger than the sum of its proper divisors (6841287).

7677945 is a wasteful number, since it uses less digits than its factorization.

7677945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15533 (or 15530 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 7677945 is about 2770.9105001786. The cubic root of 7677945 is about 197.2793669259.

The spelling of 7677945 in words is "seven million, six hundred seventy-seven thousand, nine hundred forty-five".