7964345 has 4 divisors (see below), whose sum is σ = 9557220. Its totient is φ = 6371472.

The previous prime is 7964339. The next prime is 7964377. The reversal of 7964345 is 5434697.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6295081 + 1669264 = 2509^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 7964345 - 2⁴ = 7964329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7964299 and 7964308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796430 + ... + 796439.

It is an arithmetic number, because the mean of its divisors is an integer number (2389305).

Almost surely, 2^7964345 is an apocalyptic number.

It is an amenable number.

7964345 is a deficient number, since it is larger than the sum of its proper divisors (1592875).

7964345 is a wasteful number, since it uses less digits than its factorization.

7964345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592874.

The product of its digits is 90720, while the sum is 38.

The square root of 7964345 is about 2822.1171130908. The cubic root of 7964345 is about 199.7024324874.

The spelling of 7964345 in words is "seven million, nine hundred sixty-four thousand, three hundred forty-five".