7922345 has 4 divisors (see below), whose sum is σ = 9506820. Its totient is φ = 6337872.

The previous prime is 7922311. The next prime is 7922347. The reversal of 7922345 is 5432297.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5432297 = 13 ⋅417869.

It can be written as a sum of positive squares in 2 ways, for example, as 2181529 + 5740816 = 1477^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 7922345 - 2²² = 3728041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7922347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792230 + ... + 792239.

It is an arithmetic number, because the mean of its divisors is an integer number (2376705).

Almost surely, 2^7922345 is an apocalyptic number.

It is an amenable number.

7922345 is a deficient number, since it is larger than the sum of its proper divisors (1584475).

7922345 is a wasteful number, since it uses less digits than its factorization.

7922345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584474.

The product of its digits is 15120, while the sum is 32.

The square root of 7922345 is about 2814.6660547923. Note that the first 3 decimals coincide. The cubic root of 7922345 is about 199.3507697810.

The spelling of 7922345 in words is "seven million, nine hundred twenty-two thousand, three hundred forty-five".