620531472 has 40 divisors (see below), whose sum is σ = 1748772000. Its totient is φ = 188039680.

The previous prime is 620531449. The next prime is 620531503. The reversal of 620531472 is 274135026.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587097 + ... + 588152.

It is an arithmetic number, because the mean of its divisors is an integer number (43719300).

Almost surely, 2^620531472 is an apocalyptic number.

It is an amenable number.

620531472 is an abundant number, since it is smaller than the sum of its proper divisors (1128240528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620531472 is a wasteful number, since it uses less digits than its factorization.

620531472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175271 (or 1175265 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 620531472 is about 24910.4691244465. The cubic root of 620531472 is about 852.9454777649.

Adding to 620531472 its reverse (274135026), we get a palindrome (894666498).

The spelling of 620531472 in words is "six hundred twenty million, five hundred thirty-one thousand, four hundred seventy-two".