620705603 has 4 divisors (see below), whose sum is σ = 709377840. Its totient is φ = 532033368.

The previous prime is 620705597. The next prime is 620705627. The reversal of 620705603 is 306507026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620705603 - 2⁴ = 620705587 is a prime.

It is a super-3 number, since 3×620705603³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620705633) 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, 44336108 + ... + 44336121.

It is an arithmetic number, because the mean of its divisors is an integer number (177344460).

Almost surely, 2^620705603 is an apocalyptic number.

620705603 is a deficient number, since it is larger than the sum of its proper divisors (88672237).

620705603 is an equidigital number, since it uses as much as digits as its factorization.

620705603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88672236.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 620705603 is about 24913.9640161898. The cubic root of 620705603 is about 853.0252536587.

The spelling of 620705603 in words is "six hundred twenty million, seven hundred five thousand, six hundred three".