7420188313 has 8 divisors (see below), whose sum is σ = 7812828800. Its totient is φ = 7027758288.

The previous prime is 7420188299. The next prime is 7420188319. The reversal of 7420188313 is 3138810247.

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-7420188313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7420188319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22528 + ... + 123886.

It is an arithmetic number, because the mean of its divisors is an integer number (976603600).

Almost surely, 2^7420188313 is an apocalyptic number.

It is an amenable number.

7420188313 is a deficient number, since it is larger than the sum of its proper divisors (392640487).

7420188313 is a wasteful number, since it uses less digits than its factorization.

7420188313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105231.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 7420188313 is about 86140.5149334505. The cubic root of 7420188313 is about 1950.4656624481.

The spelling of 7420188313 in words is "seven billion, four hundred twenty million, one hundred eighty-eight thousand, three hundred thirteen".