7421417 has 4 divisors (see below), whose sum is σ = 7526016. Its totient is φ = 7316820.

The previous prime is 7421383. The next prime is 7421437. The reversal of 7421417 is 7141247.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7141247 = 23 ⋅310489.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7421417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421437) 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, 52193 + ... + 52334.

It is an arithmetic number, because the mean of its divisors is an integer number (1881504).

Almost surely, 2^7421417 is an apocalyptic number.

It is an amenable number.

7421417 is a deficient number, since it is larger than the sum of its proper divisors (104599).

7421417 is a wasteful number, since it uses less digits than its factorization.

7421417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104598.

The product of its digits is 1568, while the sum is 26.

The square root of 7421417 is about 2724.2277804912. The cubic root of 7421417 is about 195.0573313783.

The spelling of 7421417 in words is "seven million, four hundred twenty-one thousand, four hundred seventeen".