7420347 has 24 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 4231680.

The previous prime is 7420339. The next prime is 7420363. The reversal of 7420347 is 7430247.

It is not a de Polignac number, because 7420347 - 2³ = 7420339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7420347.

It is not an unprimeable number, because it can be changed into a prime (7420307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522 + ... + 3887.

It is an arithmetic number, because the mean of its divisors is an integer number (515970).

Almost surely, 2^7420347 is an apocalyptic number.

7420347 is a deficient number, since it is larger than the sum of its proper divisors (4962933).

7420347 is a wasteful number, since it uses less digits than its factorization.

7420347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443 (or 4440 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 7420347 is about 2724.0313874844. The cubic root of 7420347 is about 195.0479566468.

The spelling of 7420347 in words is "seven million, four hundred twenty thousand, three hundred forty-seven".