620320373 has 8 divisors (see below), whose sum is σ = 648600000. Its totient is φ = 592149888.

The previous prime is 620320369. The next prime is 620320381. The reversal of 620320373 is 373023026.

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

It is a cyclic number.

It is not a de Polignac number, because 620320373 - 2² = 620320369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620320313) 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, 15548 + ... + 38501.

It is an arithmetic number, because the mean of its divisors is an integer number (81075000).

Almost surely, 2^620320373 is an apocalyptic number.

It is an amenable number.

620320373 is a deficient number, since it is larger than the sum of its proper divisors (28279627).

620320373 is a wasteful number, since it uses less digits than its factorization.

620320373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54571.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 620320373 is about 24906.2316097799. The cubic root of 620320373 is about 852.8487454383.

Adding to 620320373 its reverse (373023026), we get a palindrome (993343399).

The spelling of 620320373 in words is "six hundred twenty million, three hundred twenty thousand, three hundred seventy-three".