620734503 has 8 divisors (see below), whose sum is σ = 871206400. Its totient is φ = 392042808.

The previous prime is 620734489. The next prime is 620734523. The reversal of 620734503 is 305437026.

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

It is not a de Polignac number, because 620734503 - 2⁴ = 620734487 is a prime.

It is a super-2 number, since 2×620734503² = 770622646429314018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620734523) 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, 5444983 + ... + 5445096.

It is an arithmetic number, because the mean of its divisors is an integer number (108900800).

Almost surely, 2^620734503 is an apocalyptic number.

620734503 is a deficient number, since it is larger than the sum of its proper divisors (250471897).

620734503 is a wasteful number, since it uses less digits than its factorization.

620734503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10890101.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 620734503 is about 24914.5440054599. The cubic root of 620734503 is about 853.0384923809.

The spelling of 620734503 in words is "six hundred twenty million, seven hundred thirty-four thousand, five hundred three".