620743341 has 4 divisors (see below), whose sum is σ = 827657792. Its totient is φ = 413828892.

The previous prime is 620743327. The next prime is 620743351. The reversal of 620743341 is 143347026.

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 not a de Polignac number, because 620743341 - 2⁷ = 620743213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620743299 and 620743308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620743351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103457221 + ... + 103457226.

It is an arithmetic number, because the mean of its divisors is an integer number (206914448).

Almost surely, 2^620743341 is an apocalyptic number.

It is an amenable number.

620743341 is a deficient number, since it is larger than the sum of its proper divisors (206914451).

620743341 is a wasteful number, since it uses less digits than its factorization.

620743341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206914450.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 620743341 is about 24914.7213711091. The cubic root of 620743341 is about 853.0425408742.

The spelling of 620743341 in words is "six hundred twenty million, seven hundred forty-three thousand, three hundred forty-one".