620759903 has 16 divisors (see below), whose sum is σ = 681302016. Its totient is φ = 563740320.

The previous prime is 620759899. The next prime is 620759921. The reversal of 620759903 is 309957026.

It is a cyclic number.

It is not a de Polignac number, because 620759903 - 2² = 620759899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620759303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29576 + ... + 46002.

It is an arithmetic number, because the mean of its divisors is an integer number (42581376).

Almost surely, 2^620759903 is an apocalyptic number.

620759903 is a deficient number, since it is larger than the sum of its proper divisors (60542113).

620759903 is a wasteful number, since it uses less digits than its factorization.

620759903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16534.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 620759903 is about 24915.0537426673. The cubic root of 620759903 is about 853.0501274584.

The spelling of 620759903 in words is "six hundred twenty million, seven hundred fifty-nine thousand, nine hundred three".