7421056417 has 8 divisors (see below), whose sum is σ = 7523244800. Its totient is φ = 7319074464.

The previous prime is 7421056387. The next prime is 7421056429. The reversal of 7421056417 is 7146501247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7421056417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421086417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21493 + ... + 123709.

It is an arithmetic number, because the mean of its divisors is an integer number (940405600).

Almost surely, 2^7421056417 is an apocalyptic number.

It is an amenable number.

7421056417 is a deficient number, since it is larger than the sum of its proper divisors (102188383).

7421056417 is a wasteful number, since it uses less digits than its factorization.

7421056417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103215.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 7421056417 is about 86145.5536693566. The cubic root of 7421056417 is about 1950.5417225580.

The spelling of 7421056417 in words is "seven billion, four hundred twenty-one million, fifty-six thousand, four hundred seventeen".