7420417 has 4 divisors (see below), whose sum is σ = 7437760. Its totient is φ = 7403076.

The previous prime is 7420411. The next prime is 7420447. The reversal of 7420417 is 7140247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7420417 - 2³ = 7420409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7420391 and 7420400.

It is not an unprimeable number, because it can be changed into a prime (7420411) 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, 8013 + ... + 8890.

It is an arithmetic number, because the mean of its divisors is an integer number (1859440).

Almost surely, 2^7420417 is an apocalyptic number.

It is an amenable number.

7420417 is a deficient number, since it is larger than the sum of its proper divisors (17343).

7420417 is a wasteful number, since it uses less digits than its factorization.

7420417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17342.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 7420417 is about 2724.0442360579. The cubic root of 7420417 is about 195.0485699745.

The spelling of 7420417 in words is "seven million, four hundred twenty thousand, four hundred seventeen".